1381855360

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:430

約数の個数: 128

約数和(自身を含む): 3386073600

約数和(自身を除く): 2004218240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 151, 158, 160, 181, 302, 316, 320, 362, 395, 604, 632, 640, 724, 755, 790, 905, 1208, 1264, 1448, 1510, 1580, 1810, 2416, 2528, 2896, 3020, 3160, 3620, 4832, 5056, 5792, 6040, 6320, 7240, 9664, 10112, 11584, 11929, 12080, 12640, 14299, 14480, 19328, 23168, 23858, 24160, 25280, 27331, 28598, 28960, 47716, 48320, 50560, 54662, 57196, 57920, 59645, 71495, 95432, 96640, 109324, 114392, 115840, 119290, 136655, 142990, 190864, 218648, 228784, 238580, 273310, 285980, 381728, 437296, 457568, 477160, 546620, 571960, 763456, 874592, 915136, 954320, 1093240, 1143920, 1526912, 1749184, 1830272, 1908640, 2159149, 2186480, 2287840, 3498368, 3817280, 4318298, 4372960, 4575680, 7634560, 8636596, 8745920, 9151360, 10795745, 17273192, 17491840, 21591490, 34546384, 43182980, 69092768, 86365960, 138185536, 172731920, 276371072, 345463840, 690927680, 1381855360]

約数ペア:

[(1, 1381855360), (2, 690927680), (4, 345463840), (5, 276371072), (8, 172731920), (10, 138185536), (16, 86365960), (20, 69092768), (32, 43182980), (40, 34546384), (64, 21591490), (79, 17491840), (80, 17273192), (128, 10795745), (151, 9151360), (158, 8745920), (160, 8636596), (181, 7634560), (302, 4575680), (316, 4372960), (320, 4318298), (362, 3817280), (395, 3498368), (604, 2287840), (632, 2186480), (640, 2159149), (724, 1908640), (755, 1830272), (790, 1749184), (905, 1526912), (1208, 1143920), (1264, 1093240), (1448, 954320), (1510, 915136), (1580, 874592), (1810, 763456), (2416, 571960), (2528, 546620), (2896, 477160), (3020, 457568), (3160, 437296), (3620, 381728), (4832, 285980), (5056, 273310), (5792, 238580), (6040, 228784), (6320, 218648), (7240, 190864), (9664, 142990), (10112, 136655), (11584, 119290), (11929, 115840), (12080, 114392), (12640, 109324), (14299, 96640), (14480, 95432), (19328, 71495), (23168, 59645), (23858, 57920), (24160, 57196), (25280, 54662), (27331, 50560), (28598, 48320), (28960, 47716)]