40609920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1662

約数の個数: 128

約数和(自身を含む): 139487040

約数和(自身を除く): 98877120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1627, 1664, 1920, 2080, 2496, 3120, 3254, 4160, 4881, 4992, 6240, 6508, 8135, 8320, 9762, 12480, 13016, 16270, 19524, 21151, 24405, 24960, 26032, 32540, 39048, 42302, 48810, 52064, 63453, 65080, 78096, 84604, 97620, 104128, 105755, 126906, 130160, 156192, 169208, 195240, 208256, 211510, 253812, 260320, 312384, 317265, 338416, 390480, 423020, 507624, 520640, 624768, 634530, 676832, 780960, 846040, 1015248, 1041280, 1269060, 1353664, 1561920, 1692080, 2030496, 2538120, 2707328, 3123840, 3384160, 4060992, 5076240, 6768320, 8121984, 10152480, 13536640, 20304960, 40609920]

約数ペア:

[(1, 40609920), (2, 20304960), (3, 13536640), (4, 10152480), (5, 8121984), (6, 6768320), (8, 5076240), (10, 4060992), (12, 3384160), (13, 3123840), (15, 2707328), (16, 2538120), (20, 2030496), (24, 1692080), (26, 1561920), (30, 1353664), (32, 1269060), (39, 1041280), (40, 1015248), (48, 846040), (52, 780960), (60, 676832), (64, 634530), (65, 624768), (78, 520640), (80, 507624), (96, 423020), (104, 390480), (120, 338416), (128, 317265), (130, 312384), (156, 260320), (160, 253812), (192, 211510), (195, 208256), (208, 195240), (240, 169208), (260, 156192), (312, 130160), (320, 126906), (384, 105755), (390, 104128), (416, 97620), (480, 84604), (520, 78096), (624, 65080), (640, 63453), (780, 52064), (832, 48810), (960, 42302), (1040, 39048), (1248, 32540), (1560, 26032), (1627, 24960), (1664, 24405), (1920, 21151), (2080, 19524), (2496, 16270), (3120, 13016), (3254, 12480), (4160, 9762), (4881, 8320), (4992, 8135), (6240, 6508)]