40987890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 116121600

約数和(自身を除く): 75133710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 59, 62, 83, 90, 93, 118, 135, 155, 166, 177, 186, 249, 270, 279, 295, 310, 354, 415, 465, 498, 531, 558, 590, 747, 830, 837, 885, 930, 1062, 1245, 1395, 1494, 1593, 1674, 1770, 1829, 2241, 2490, 2573, 2655, 2790, 3186, 3658, 3735, 4185, 4482, 4897, 5146, 5310, 5487, 7470, 7719, 7965, 8370, 9145, 9794, 10974, 11205, 12865, 14691, 15438, 15930, 16461, 18290, 22410, 23157, 24485, 25730, 27435, 29382, 32922, 38595, 44073, 46314, 48970, 49383, 54870, 69471, 73455, 77190, 82305, 88146, 98766, 115785, 132219, 138942, 146910, 151807, 164610, 220365, 231570, 246915, 264438, 303614, 347355, 440730, 455421, 493830, 661095, 694710, 759035, 910842, 1322190, 1366263, 1518070, 2277105, 2732526, 4098789, 4554210, 6831315, 8197578, 13662630, 20493945, 40987890]

約数ペア:

[(1, 40987890), (2, 20493945), (3, 13662630), (5, 8197578), (6, 6831315), (9, 4554210), (10, 4098789), (15, 2732526), (18, 2277105), (27, 1518070), (30, 1366263), (31, 1322190), (45, 910842), (54, 759035), (59, 694710), (62, 661095), (83, 493830), (90, 455421), (93, 440730), (118, 347355), (135, 303614), (155, 264438), (166, 246915), (177, 231570), (186, 220365), (249, 164610), (270, 151807), (279, 146910), (295, 138942), (310, 132219), (354, 115785), (415, 98766), (465, 88146), (498, 82305), (531, 77190), (558, 73455), (590, 69471), (747, 54870), (830, 49383), (837, 48970), (885, 46314), (930, 44073), (1062, 38595), (1245, 32922), (1395, 29382), (1494, 27435), (1593, 25730), (1674, 24485), (1770, 23157), (1829, 22410), (2241, 18290), (2490, 16461), (2573, 15930), (2655, 15438), (2790, 14691), (3186, 12865), (3658, 11205), (3735, 10974), (4185, 9794), (4482, 9145), (4897, 8370), (5146, 7965), (5310, 7719), (5487, 7470)]