1305190720

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1877}}^1$

素因数の和:1988

約数の個数: 112

約数和(自身を含む): 3245589648

約数和(自身を除く): 1940398928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 53, 64, 80, 82, 106, 160, 164, 205, 212, 265, 320, 328, 410, 424, 530, 656, 820, 848, 1060, 1312, 1640, 1696, 1877, 2120, 2173, 2624, 3280, 3392, 3754, 4240, 4346, 6560, 7508, 8480, 8692, 9385, 10865, 13120, 15016, 16960, 17384, 18770, 21730, 30032, 34768, 37540, 43460, 60064, 69536, 75080, 76957, 86920, 99481, 120128, 139072, 150160, 153914, 173840, 198962, 300320, 307828, 347680, 384785, 397924, 497405, 600640, 615656, 695360, 769570, 795848, 994810, 1231312, 1539140, 1591696, 1989620, 2462624, 3078280, 3183392, 3979240, 4078721, 4925248, 6156560, 6366784, 7958480, 8157442, 12313120, 15916960, 16314884, 20393605, 24626240, 31833920, 32629768, 40787210, 65259536, 81574420, 130519072, 163148840, 261038144, 326297680, 652595360, 1305190720]

約数ペア:

[(1, 1305190720), (2, 652595360), (4, 326297680), (5, 261038144), (8, 163148840), (10, 130519072), (16, 81574420), (20, 65259536), (32, 40787210), (40, 32629768), (41, 31833920), (53, 24626240), (64, 20393605), (80, 16314884), (82, 15916960), (106, 12313120), (160, 8157442), (164, 7958480), (205, 6366784), (212, 6156560), (265, 4925248), (320, 4078721), (328, 3979240), (410, 3183392), (424, 3078280), (530, 2462624), (656, 1989620), (820, 1591696), (848, 1539140), (1060, 1231312), (1312, 994810), (1640, 795848), (1696, 769570), (1877, 695360), (2120, 615656), (2173, 600640), (2624, 497405), (3280, 397924), (3392, 384785), (3754, 347680), (4240, 307828), (4346, 300320), (6560, 198962), (7508, 173840), (8480, 153914), (8692, 150160), (9385, 139072), (10865, 120128), (13120, 99481), (15016, 86920), (16960, 76957), (17384, 75080), (18770, 69536), (21730, 60064), (30032, 43460), (34768, 37540)]