1604494920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{26903}}^1$

素因数の和:26995

約数の個数: 128

約数和(自身を含む): 5578813440

約数和(自身を除く): 3974318520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 26903, 29820, 53806, 59640, 80709, 107612, 134515, 161418, 188321, 215224, 269030, 322836, 376642, 403545, 538060, 564963, 645672, 753284, 807090, 941605, 1076120, 1129926, 1506568, 1614180, 1883210, 1910113, 2259852, 2824815, 3228360, 3766420, 3820226, 4519704, 5649630, 5730339, 7532840, 7640452, 9550565, 11299260, 11460678, 13370791, 15280904, 19101130, 22598520, 22921356, 26741582, 28651695, 38202260, 40112373, 45842712, 53483164, 57303390, 66853955, 76404520, 80224746, 106966328, 114606780, 133707910, 160449492, 200561865, 229213560, 267415820, 320898984, 401123730, 534831640, 802247460, 1604494920]

約数ペア:

[(1, 1604494920), (2, 802247460), (3, 534831640), (4, 401123730), (5, 320898984), (6, 267415820), (7, 229213560), (8, 200561865), (10, 160449492), (12, 133707910), (14, 114606780), (15, 106966328), (20, 80224746), (21, 76404520), (24, 66853955), (28, 57303390), (30, 53483164), (35, 45842712), (40, 40112373), (42, 38202260), (56, 28651695), (60, 26741582), (70, 22921356), (71, 22598520), (84, 19101130), (105, 15280904), (120, 13370791), (140, 11460678), (142, 11299260), (168, 9550565), (210, 7640452), (213, 7532840), (280, 5730339), (284, 5649630), (355, 4519704), (420, 3820226), (426, 3766420), (497, 3228360), (568, 2824815), (710, 2259852), (840, 1910113), (852, 1883210), (994, 1614180), (1065, 1506568), (1420, 1129926), (1491, 1076120), (1704, 941605), (1988, 807090), (2130, 753284), (2485, 645672), (2840, 564963), (2982, 538060), (3976, 403545), (4260, 376642), (4970, 322836), (5964, 269030), (7455, 215224), (8520, 188321), (9940, 161418), (11928, 134515), (14910, 107612), (19880, 80709), (26903, 59640), (29820, 53806)]