639795360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 288

約数和(自身を含む): 2222095680

約数和(自身を除く): 1582300320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 73, 76, 80, 93, 95, 96, 114, 120, 124, 146, 152, 155, 160, 186, 190, 219, 228, 240, 248, 285, 292, 304, 310, 365, 372, 380, 438, 456, 465, 480, 496, 570, 584, 589, 608, 620, 730, 744, 760, 876, 912, 930, 961, 992, 1095, 1140, 1168, 1178, 1240, 1387, 1460, 1488, 1520, 1752, 1767, 1824, 1860, 1922, 2190, 2263, 2280, 2336, 2356, 2480, 2774, 2883, 2920, 2945, 2976, 3040, 3504, 3534, 3720, 3844, 4161, 4380, 4526, 4560, 4712, 4805, 4960, 5548, 5766, 5840, 5890, 6789, 6935, 7008, 7068, 7440, 7688, 8322, 8760, 8835, 9052, 9120, 9424, 9610, 11096, 11315, 11532, 11680, 11780, 13578, 13870, 14136, 14415, 14880, 15376, 16644, 17520, 17670, 18104, 18259, 18848, 19220, 20805, 22192, 22630, 23064, 23560, 27156, 27740, 28272, 28830, 30752, 33288, 33945, 35040, 35340, 36208, 36518, 38440, 41610, 42997, 44384, 45260, 46128, 47120, 54312, 54777, 55480, 56544, 57660, 66576, 67890, 70153, 70680, 72416, 73036, 76880, 83220, 85994, 90520, 91295, 92256, 94240, 108624, 109554, 110960, 115320, 128991, 133152, 135780, 140306, 141360, 146072, 153760, 166440, 171988, 181040, 182590, 210459, 214985, 217248, 219108, 221920, 230640, 257982, 271560, 273885, 280612, 282720, 292144, 332880, 343976, 350765, 362080, 365180, 420918, 429970, 438216, 461280, 515964, 543120, 547770, 561224, 584288, 644955, 665760, 687952, 701530, 730360, 841836, 859940, 876432, 1031928, 1052295, 1086240, 1095540, 1122448, 1289910, 1332907, 1375904, 1403060, 1460720, 1683672, 1719880, 1752864, 2063856, 2104590, 2191080, 2244896, 2579820, 2665814, 2806120, 2921440, 3367344, 3439760, 3998721, 4127712, 4209180, 4382160, 5159640, 5331628, 5612240, 6664535, 6734688, 6879520, 7997442, 8418360, 8764320, 10319280, 10663256, 11224480, 13329070, 15994884, 16836720, 19993605, 20638560, 21326512, 26658140, 31989768, 33673440, 39987210, 42653024, 53316280, 63979536, 79974420, 106632560, 127959072, 159948840, 213265120, 319897680, 639795360]

約数ペア:

[(1, 639795360), (2, 319897680), (3, 213265120), (4, 159948840), (5, 127959072), (6, 106632560), (8, 79974420), (10, 63979536), (12, 53316280), (15, 42653024), (16, 39987210), (19, 33673440), (20, 31989768), (24, 26658140), (30, 21326512), (31, 20638560), (32, 19993605), (38, 16836720), (40, 15994884), (48, 13329070), (57, 11224480), (60, 10663256), (62, 10319280), (73, 8764320), (76, 8418360), (80, 7997442), (93, 6879520), (95, 6734688), (96, 6664535), (114, 5612240), (120, 5331628), (124, 5159640), (146, 4382160), (152, 4209180), (155, 4127712), (160, 3998721), (186, 3439760), (190, 3367344), (219, 2921440), (228, 2806120), (240, 2665814), (248, 2579820), (285, 2244896), (292, 2191080), (304, 2104590), (310, 2063856), (365, 1752864), (372, 1719880), (380, 1683672), (438, 1460720), (456, 1403060), (465, 1375904), (480, 1332907), (496, 1289910), (570, 1122448), (584, 1095540), (589, 1086240), (608, 1052295), (620, 1031928), (730, 876432), (744, 859940), (760, 841836), (876, 730360), (912, 701530), (930, 687952), (961, 665760), (992, 644955), (1095, 584288), (1140, 561224), (1168, 547770), (1178, 543120), (1240, 515964), (1387, 461280), (1460, 438216), (1488, 429970), (1520, 420918), (1752, 365180), (1767, 362080), (1824, 350765), (1860, 343976), (1922, 332880), (2190, 292144), (2263, 282720), (2280, 280612), (2336, 273885), (2356, 271560), (2480, 257982), (2774, 230640), (2883, 221920), (2920, 219108), (2945, 217248), (2976, 214985), (3040, 210459), (3504, 182590), (3534, 181040), (3720, 171988), (3844, 166440), (4161, 153760), (4380, 146072), (4526, 141360), (4560, 140306), (4712, 135780), (4805, 133152), (4960, 128991), (5548, 115320), (5766, 110960), (5840, 109554), (5890, 108624), (6789, 94240), (6935, 92256), (7008, 91295), (7068, 90520), (7440, 85994), (7688, 83220), (8322, 76880), (8760, 73036), (8835, 72416), (9052, 70680), (9120, 70153), (9424, 67890), (9610, 66576), (11096, 57660), (11315, 56544), (11532, 55480), (11680, 54777), (11780, 54312), (13578, 47120), (13870, 46128), (14136, 45260), (14415, 44384), (14880, 42997), (15376, 41610), (16644, 38440), (17520, 36518), (17670, 36208), (18104, 35340), (18259, 35040), (18848, 33945), (19220, 33288), (20805, 30752), (22192, 28830), (22630, 28272), (23064, 27740), (23560, 27156)]