218165220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:755

約数の個数: 288

約数和(自身を含む): 858574080

約数和(自身を除く): 640408860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 701, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1402, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2103, 2223, 2340, 2394, 2470, 2660, 2730, 2804, 2964, 3276, 3420, 3458, 3505, 3705, 3990, 4095, 4206, 4446, 4788, 4907, 4940, 5187, 5460, 5985, 6309, 6916, 7010, 7410, 7980, 8190, 8412, 8645, 8892, 9113, 9814, 10374, 10515, 11115, 11970, 12618, 13319, 14020, 14721, 14820, 15561, 16380, 17290, 18226, 19628, 20748, 21030, 22230, 23940, 24535, 25236, 25935, 26638, 27339, 29442, 31122, 31545, 34580, 36452, 39957, 42060, 44163, 44460, 45565, 49070, 51870, 53276, 54678, 58884, 62244, 63090, 63791, 66595, 73605, 77805, 79914, 82017, 88326, 91130, 93233, 98140, 103740, 109356, 119871, 126180, 127582, 133190, 136695, 147210, 155610, 159828, 164034, 173147, 176652, 182260, 186466, 191373, 199785, 220815, 239742, 255164, 266380, 273390, 279699, 294420, 311220, 318955, 328068, 346294, 372932, 382746, 399570, 410085, 441630, 466165, 479484, 519441, 546780, 559398, 574119, 599355, 637910, 692588, 765492, 799140, 820170, 839097, 865735, 883260, 932330, 956865, 1038882, 1118796, 1148238, 1198710, 1212029, 1275820, 1398495, 1558323, 1640340, 1678194, 1731470, 1864660, 1913730, 2077764, 2296476, 2397420, 2424058, 2597205, 2796990, 2870595, 3116646, 3356388, 3462940, 3636087, 3827460, 4195485, 4848116, 5194410, 5593980, 5741190, 6060145, 6233292, 7272174, 7791615, 8390970, 10388820, 10908261, 11482380, 12120290, 14544348, 15583230, 16781940, 18180435, 21816522, 24240580, 31166460, 36360870, 43633044, 54541305, 72721740, 109082610, 218165220]

約数ペア:

[(1, 218165220), (2, 109082610), (3, 72721740), (4, 54541305), (5, 43633044), (6, 36360870), (7, 31166460), (9, 24240580), (10, 21816522), (12, 18180435), (13, 16781940), (14, 15583230), (15, 14544348), (18, 12120290), (19, 11482380), (20, 10908261), (21, 10388820), (26, 8390970), (28, 7791615), (30, 7272174), (35, 6233292), (36, 6060145), (38, 5741190), (39, 5593980), (42, 5194410), (45, 4848116), (52, 4195485), (57, 3827460), (60, 3636087), (63, 3462940), (65, 3356388), (70, 3116646), (76, 2870595), (78, 2796990), (84, 2597205), (90, 2424058), (91, 2397420), (95, 2296476), (105, 2077764), (114, 1913730), (117, 1864660), (126, 1731470), (130, 1678194), (133, 1640340), (140, 1558323), (156, 1398495), (171, 1275820), (180, 1212029), (182, 1198710), (190, 1148238), (195, 1118796), (210, 1038882), (228, 956865), (234, 932330), (247, 883260), (252, 865735), (260, 839097), (266, 820170), (273, 799140), (285, 765492), (315, 692588), (342, 637910), (364, 599355), (380, 574119), (390, 559398), (399, 546780), (420, 519441), (455, 479484), (468, 466165), (494, 441630), (532, 410085), (546, 399570), (570, 382746), (585, 372932), (630, 346294), (665, 328068), (684, 318955), (701, 311220), (741, 294420), (780, 279699), (798, 273390), (819, 266380), (855, 255164), (910, 239742), (988, 220815), (1092, 199785), (1140, 191373), (1170, 186466), (1197, 182260), (1235, 176652), (1260, 173147), (1330, 164034), (1365, 159828), (1402, 155610), (1482, 147210), (1596, 136695), (1638, 133190), (1710, 127582), (1729, 126180), (1820, 119871), (1995, 109356), (2103, 103740), (2223, 98140), (2340, 93233), (2394, 91130), (2470, 88326), (2660, 82017), (2730, 79914), (2804, 77805), (2964, 73605), (3276, 66595), (3420, 63791), (3458, 63090), (3505, 62244), (3705, 58884), (3990, 54678), (4095, 53276), (4206, 51870), (4446, 49070), (4788, 45565), (4907, 44460), (4940, 44163), (5187, 42060), (5460, 39957), (5985, 36452), (6309, 34580), (6916, 31545), (7010, 31122), (7410, 29442), (7980, 27339), (8190, 26638), (8412, 25935), (8645, 25236), (8892, 24535), (9113, 23940), (9814, 22230), (10374, 21030), (10515, 20748), (11115, 19628), (11970, 18226), (12618, 17290), (13319, 16380), (14020, 15561), (14721, 14820)]