20147019240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{16223}}^1$

素因数の和:16447

約数の個数: 128

約数和(自身を含む): 61677158400

約数和(自身を除く): 41530139160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 131, 158, 237, 262, 316, 393, 395, 474, 524, 632, 655, 786, 790, 948, 1048, 1185, 1310, 1572, 1580, 1896, 1965, 2370, 2620, 3144, 3160, 3930, 4740, 5240, 7860, 9480, 10349, 15720, 16223, 20698, 31047, 32446, 41396, 48669, 51745, 62094, 64892, 81115, 82792, 97338, 103490, 124188, 129784, 155235, 162230, 194676, 206980, 243345, 248376, 310470, 324460, 389352, 413960, 486690, 620940, 648920, 973380, 1241880, 1281617, 1946760, 2125213, 2563234, 3844851, 4250426, 5126468, 6375639, 6408085, 7689702, 8500852, 10252936, 10626065, 12751278, 12816170, 15379404, 17001704, 19224255, 21252130, 25502556, 25632340, 30758808, 31878195, 38448510, 42504260, 51005112, 51264680, 63756390, 76897020, 85008520, 127512780, 153794040, 167891827, 255025560, 335783654, 503675481, 671567308, 839459135, 1007350962, 1343134616, 1678918270, 2014701924, 2518377405, 3357836540, 4029403848, 5036754810, 6715673080, 10073509620, 20147019240]

約数ペア:

[(1, 20147019240), (2, 10073509620), (3, 6715673080), (4, 5036754810), (5, 4029403848), (6, 3357836540), (8, 2518377405), (10, 2014701924), (12, 1678918270), (15, 1343134616), (20, 1007350962), (24, 839459135), (30, 671567308), (40, 503675481), (60, 335783654), (79, 255025560), (120, 167891827), (131, 153794040), (158, 127512780), (237, 85008520), (262, 76897020), (316, 63756390), (393, 51264680), (395, 51005112), (474, 42504260), (524, 38448510), (632, 31878195), (655, 30758808), (786, 25632340), (790, 25502556), (948, 21252130), (1048, 19224255), (1185, 17001704), (1310, 15379404), (1572, 12816170), (1580, 12751278), (1896, 10626065), (1965, 10252936), (2370, 8500852), (2620, 7689702), (3144, 6408085), (3160, 6375639), (3930, 5126468), (4740, 4250426), (5240, 3844851), (7860, 2563234), (9480, 2125213), (10349, 1946760), (15720, 1281617), (16223, 1241880), (20698, 973380), (31047, 648920), (32446, 620940), (41396, 486690), (48669, 413960), (51745, 389352), (62094, 324460), (64892, 310470), (81115, 248376), (82792, 243345), (97338, 206980), (103490, 194676), (124188, 162230), (129784, 155235)]