643195980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 288

約数和(自身を含む): 2388072960

約数和(自身を除く): 1744876980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 67, 70, 76, 84, 90, 95, 105, 114, 126, 133, 134, 140, 171, 180, 190, 201, 210, 228, 252, 266, 268, 285, 315, 335, 342, 380, 399, 401, 402, 420, 469, 532, 570, 603, 630, 665, 670, 684, 798, 802, 804, 855, 938, 1005, 1140, 1197, 1203, 1206, 1260, 1273, 1330, 1340, 1407, 1596, 1604, 1710, 1876, 1995, 2005, 2010, 2345, 2394, 2406, 2412, 2546, 2660, 2807, 2814, 3015, 3420, 3609, 3819, 3990, 4010, 4020, 4221, 4690, 4788, 4812, 5092, 5614, 5628, 5985, 6015, 6030, 6365, 7035, 7218, 7619, 7638, 7980, 8020, 8421, 8442, 8911, 9380, 11228, 11457, 11970, 12030, 12060, 12730, 14035, 14070, 14436, 15238, 15276, 16842, 16884, 17822, 18045, 19095, 21105, 22857, 22914, 23940, 24060, 25263, 25460, 26733, 26867, 28070, 28140, 30476, 33684, 35644, 36090, 38095, 38190, 42105, 42210, 44555, 45714, 45828, 50526, 53333, 53466, 53734, 56140, 57285, 68571, 72180, 76190, 76380, 80199, 80601, 84210, 84420, 89110, 91428, 101052, 106666, 106932, 107468, 114285, 114570, 126315, 133665, 134335, 137142, 152380, 159999, 160398, 161202, 168420, 178220, 188069, 213332, 228570, 229140, 241803, 252630, 266665, 267330, 268670, 274284, 319998, 320796, 322404, 342855, 376138, 400995, 403005, 457140, 479997, 483606, 505260, 510473, 533330, 534660, 537340, 564207, 639996, 685710, 752276, 799995, 801990, 806010, 940345, 959994, 967212, 1020946, 1066660, 1128414, 1209015, 1371420, 1531419, 1599990, 1603980, 1612020, 1692621, 1880690, 1919988, 2041892, 2256828, 2399985, 2418030, 2552365, 2821035, 3062838, 3199980, 3385242, 3573311, 3761380, 4594257, 4799970, 4836060, 5104730, 5642070, 6125676, 6770484, 7146622, 7657095, 8463105, 9188514, 9599940, 10209460, 10719933, 11284140, 14293244, 15314190, 16926210, 17866555, 18377028, 21439866, 22971285, 30628380, 32159799, 33852420, 35733110, 42879732, 45942570, 53599665, 64319598, 71466220, 91885140, 107199330, 128639196, 160798995, 214398660, 321597990, 643195980]

約数ペア:

[(1, 643195980), (2, 321597990), (3, 214398660), (4, 160798995), (5, 128639196), (6, 107199330), (7, 91885140), (9, 71466220), (10, 64319598), (12, 53599665), (14, 45942570), (15, 42879732), (18, 35733110), (19, 33852420), (20, 32159799), (21, 30628380), (28, 22971285), (30, 21439866), (35, 18377028), (36, 17866555), (38, 16926210), (42, 15314190), (45, 14293244), (57, 11284140), (60, 10719933), (63, 10209460), (67, 9599940), (70, 9188514), (76, 8463105), (84, 7657095), (90, 7146622), (95, 6770484), (105, 6125676), (114, 5642070), (126, 5104730), (133, 4836060), (134, 4799970), (140, 4594257), (171, 3761380), (180, 3573311), (190, 3385242), (201, 3199980), (210, 3062838), (228, 2821035), (252, 2552365), (266, 2418030), (268, 2399985), (285, 2256828), (315, 2041892), (335, 1919988), (342, 1880690), (380, 1692621), (399, 1612020), (401, 1603980), (402, 1599990), (420, 1531419), (469, 1371420), (532, 1209015), (570, 1128414), (603, 1066660), (630, 1020946), (665, 967212), (670, 959994), (684, 940345), (798, 806010), (802, 801990), (804, 799995), (855, 752276), (938, 685710), (1005, 639996), (1140, 564207), (1197, 537340), (1203, 534660), (1206, 533330), (1260, 510473), (1273, 505260), (1330, 483606), (1340, 479997), (1407, 457140), (1596, 403005), (1604, 400995), (1710, 376138), (1876, 342855), (1995, 322404), (2005, 320796), (2010, 319998), (2345, 274284), (2394, 268670), (2406, 267330), (2412, 266665), (2546, 252630), (2660, 241803), (2807, 229140), (2814, 228570), (3015, 213332), (3420, 188069), (3609, 178220), (3819, 168420), (3990, 161202), (4010, 160398), (4020, 159999), (4221, 152380), (4690, 137142), (4788, 134335), (4812, 133665), (5092, 126315), (5614, 114570), (5628, 114285), (5985, 107468), (6015, 106932), (6030, 106666), (6365, 101052), (7035, 91428), (7218, 89110), (7619, 84420), (7638, 84210), (7980, 80601), (8020, 80199), (8421, 76380), (8442, 76190), (8911, 72180), (9380, 68571), (11228, 57285), (11457, 56140), (11970, 53734), (12030, 53466), (12060, 53333), (12730, 50526), (14035, 45828), (14070, 45714), (14436, 44555), (15238, 42210), (15276, 42105), (16842, 38190), (16884, 38095), (17822, 36090), (18045, 35644), (19095, 33684), (21105, 30476), (22857, 28140), (22914, 28070), (23940, 26867), (24060, 26733), (25263, 25460)]