81264120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1197

約数の個数: 128

約数和(自身を含む): 282009600

約数和(自身を除く): 200745480

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, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1087, 1246, 1335, 1780, 1869, 2136, 2174, 2492, 2670, 3115, 3261, 3560, 3738, 4348, 4984, 5340, 5435, 6230, 6522, 7476, 7609, 8696, 9345, 10680, 10870, 12460, 13044, 14952, 15218, 16305, 18690, 21740, 22827, 24920, 26088, 30436, 32610, 37380, 38045, 43480, 45654, 60872, 65220, 74760, 76090, 91308, 96743, 114135, 130440, 152180, 182616, 193486, 228270, 290229, 304360, 386972, 456540, 483715, 580458, 677201, 773944, 913080, 967430, 1160916, 1354402, 1451145, 1934860, 2031603, 2321832, 2708804, 2902290, 3386005, 3869720, 4063206, 5417608, 5804580, 6772010, 8126412, 10158015, 11609160, 13544020, 16252824, 20316030, 27088040, 40632060, 81264120]

約数ペア:

[(1, 81264120), (2, 40632060), (3, 27088040), (4, 20316030), (5, 16252824), (6, 13544020), (7, 11609160), (8, 10158015), (10, 8126412), (12, 6772010), (14, 5804580), (15, 5417608), (20, 4063206), (21, 3869720), (24, 3386005), (28, 2902290), (30, 2708804), (35, 2321832), (40, 2031603), (42, 1934860), (56, 1451145), (60, 1354402), (70, 1160916), (84, 967430), (89, 913080), (105, 773944), (120, 677201), (140, 580458), (168, 483715), (178, 456540), (210, 386972), (267, 304360), (280, 290229), (356, 228270), (420, 193486), (445, 182616), (534, 152180), (623, 130440), (712, 114135), (840, 96743), (890, 91308), (1068, 76090), (1087, 74760), (1246, 65220), (1335, 60872), (1780, 45654), (1869, 43480), (2136, 38045), (2174, 37380), (2492, 32610), (2670, 30436), (3115, 26088), (3261, 24920), (3560, 22827), (3738, 21740), (4348, 18690), (4984, 16305), (5340, 15218), (5435, 14952), (6230, 13044), (6522, 12460), (7476, 10870), (7609, 10680), (8696, 9345)]