661480820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 384

約数和(自身を含む): 2059223040

約数和(自身を除く): 1397742220

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 37, 38, 44, 47, 52, 55, 65, 70, 74, 76, 77, 91, 94, 95, 110, 130, 133, 140, 143, 148, 154, 182, 185, 188, 190, 209, 220, 235, 247, 259, 260, 266, 286, 308, 329, 364, 370, 380, 385, 407, 418, 455, 470, 481, 494, 517, 518, 532, 572, 611, 658, 665, 703, 715, 740, 770, 814, 836, 893, 910, 940, 962, 988, 1001, 1034, 1036, 1045, 1222, 1235, 1295, 1316, 1330, 1406, 1430, 1463, 1540, 1628, 1645, 1729, 1739, 1786, 1820, 1924, 2002, 2035, 2068, 2090, 2405, 2444, 2470, 2585, 2590, 2660, 2717, 2812, 2849, 2860, 2926, 3055, 3290, 3367, 3458, 3478, 3515, 3572, 3619, 4004, 4070, 4180, 4277, 4465, 4810, 4921, 4940, 5005, 5170, 5180, 5291, 5434, 5698, 5852, 6110, 6251, 6580, 6721, 6734, 6916, 6956, 7030, 7238, 7315, 7733, 8140, 8554, 8645, 8695, 8930, 9139, 9620, 9823, 9842, 10010, 10340, 10582, 10868, 11396, 11609, 12173, 12220, 12502, 13442, 13468, 13585, 14060, 14245, 14476, 14630, 15466, 16835, 17108, 17290, 17390, 17860, 18095, 18278, 19019, 19129, 19646, 19684, 20020, 21164, 21385, 22607, 23218, 24346, 24605, 25004, 26455, 26884, 27170, 28490, 29260, 30932, 31255, 33041, 33605, 33670, 34580, 34780, 36190, 36556, 37037, 38038, 38258, 38665, 39292, 42770, 45214, 45695, 46436, 47047, 48692, 49115, 49210, 52910, 54131, 54340, 56980, 58045, 60865, 62510, 63973, 66082, 67210, 67340, 68761, 72380, 74074, 76076, 76516, 77330, 81263, 85540, 90428, 91390, 94094, 95095, 95645, 98230, 98420, 100529, 105820, 108262, 113035, 116090, 121730, 125020, 127699, 127946, 132164, 133903, 134420, 137522, 148148, 154660, 158249, 162526, 165205, 182780, 185185, 188188, 190190, 191290, 196460, 201058, 216524, 226070, 231287, 232180, 235235, 243460, 248677, 255398, 255892, 267806, 270655, 275044, 316498, 319865, 325052, 330410, 343805, 363451, 370370, 380380, 382580, 402116, 406315, 429533, 452140, 462574, 470470, 497354, 502645, 510796, 535612, 541310, 632996, 638495, 639730, 660820, 669515, 687610, 703703, 726902, 740740, 791245, 812630, 859066, 893893, 925148, 940940, 994708, 1005290, 1082620, 1156435, 1243385, 1276990, 1279460, 1339030, 1375220, 1407406, 1453804, 1582490, 1625260, 1718132, 1740739, 1787786, 1817255, 2010580, 2147665, 2312870, 2486770, 2544157, 2553980, 2678060, 2814812, 3006731, 3164980, 3481478, 3518515, 3575572, 3634510, 4295330, 4469465, 4625740, 4724863, 4973540, 5088314, 6013462, 6962956, 7037030, 7269020, 8590660, 8703695, 8938930, 9449726, 10176628, 12026924, 12720785, 14074060, 15033655, 17407390, 17877860, 18899452, 23624315, 25441570, 30067310, 33074041, 34814780, 47248630, 50883140, 60134620, 66148082, 94497260, 132296164, 165370205, 330740410, 661480820]

約数ペア:

[(1, 661480820), (2, 330740410), (4, 165370205), (5, 132296164), (7, 94497260), (10, 66148082), (11, 60134620), (13, 50883140), (14, 47248630), (19, 34814780), (20, 33074041), (22, 30067310), (26, 25441570), (28, 23624315), (35, 18899452), (37, 17877860), (38, 17407390), (44, 15033655), (47, 14074060), (52, 12720785), (55, 12026924), (65, 10176628), (70, 9449726), (74, 8938930), (76, 8703695), (77, 8590660), (91, 7269020), (94, 7037030), (95, 6962956), (110, 6013462), (130, 5088314), (133, 4973540), (140, 4724863), (143, 4625740), (148, 4469465), (154, 4295330), (182, 3634510), (185, 3575572), (188, 3518515), (190, 3481478), (209, 3164980), (220, 3006731), (235, 2814812), (247, 2678060), (259, 2553980), (260, 2544157), (266, 2486770), (286, 2312870), (308, 2147665), (329, 2010580), (364, 1817255), (370, 1787786), (380, 1740739), (385, 1718132), (407, 1625260), (418, 1582490), (455, 1453804), (470, 1407406), (481, 1375220), (494, 1339030), (517, 1279460), (518, 1276990), (532, 1243385), (572, 1156435), (611, 1082620), (658, 1005290), (665, 994708), (703, 940940), (715, 925148), (740, 893893), (770, 859066), (814, 812630), (836, 791245), (893, 740740), (910, 726902), (940, 703703), (962, 687610), (988, 669515), (1001, 660820), (1034, 639730), (1036, 638495), (1045, 632996), (1222, 541310), (1235, 535612), (1295, 510796), (1316, 502645), (1330, 497354), (1406, 470470), (1430, 462574), (1463, 452140), (1540, 429533), (1628, 406315), (1645, 402116), (1729, 382580), (1739, 380380), (1786, 370370), (1820, 363451), (1924, 343805), (2002, 330410), (2035, 325052), (2068, 319865), (2090, 316498), (2405, 275044), (2444, 270655), (2470, 267806), (2585, 255892), (2590, 255398), (2660, 248677), (2717, 243460), (2812, 235235), (2849, 232180), (2860, 231287), (2926, 226070), (3055, 216524), (3290, 201058), (3367, 196460), (3458, 191290), (3478, 190190), (3515, 188188), (3572, 185185), (3619, 182780), (4004, 165205), (4070, 162526), (4180, 158249), (4277, 154660), (4465, 148148), (4810, 137522), (4921, 134420), (4940, 133903), (5005, 132164), (5170, 127946), (5180, 127699), (5291, 125020), (5434, 121730), (5698, 116090), (5852, 113035), (6110, 108262), (6251, 105820), (6580, 100529), (6721, 98420), (6734, 98230), (6916, 95645), (6956, 95095), (7030, 94094), (7238, 91390), (7315, 90428), (7733, 85540), (8140, 81263), (8554, 77330), (8645, 76516), (8695, 76076), (8930, 74074), (9139, 72380), (9620, 68761), (9823, 67340), (9842, 67210), (10010, 66082), (10340, 63973), (10582, 62510), (10868, 60865), (11396, 58045), (11609, 56980), (12173, 54340), (12220, 54131), (12502, 52910), (13442, 49210), (13468, 49115), (13585, 48692), (14060, 47047), (14245, 46436), (14476, 45695), (14630, 45214), (15466, 42770), (16835, 39292), (17108, 38665), (17290, 38258), (17390, 38038), (17860, 37037), (18095, 36556), (18278, 36190), (19019, 34780), (19129, 34580), (19646, 33670), (19684, 33605), (20020, 33041), (21164, 31255), (21385, 30932), (22607, 29260), (23218, 28490), (24346, 27170), (24605, 26884), (25004, 26455)]