217456980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3529}}^1$

素因数の和:3633

約数の個数: 96

約数和(自身を含む): 664204800

約数和(自身を除く): 446747820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 474, 780, 790, 948, 1027, 1185, 1580, 2054, 2370, 3081, 3529, 4108, 4740, 5135, 6162, 7058, 10270, 10587, 12324, 14116, 15405, 17645, 20540, 21174, 30810, 35290, 42348, 45877, 52935, 61620, 70580, 91754, 105870, 137631, 183508, 211740, 229385, 275262, 278791, 458770, 550524, 557582, 688155, 836373, 917540, 1115164, 1376310, 1393955, 1672746, 2752620, 2787910, 3345492, 3624283, 4181865, 5575820, 7248566, 8363730, 10872849, 14497132, 16727460, 18121415, 21745698, 36242830, 43491396, 54364245, 72485660, 108728490, 217456980]

約数ペア:

[(1, 217456980), (2, 108728490), (3, 72485660), (4, 54364245), (5, 43491396), (6, 36242830), (10, 21745698), (12, 18121415), (13, 16727460), (15, 14497132), (20, 10872849), (26, 8363730), (30, 7248566), (39, 5575820), (52, 4181865), (60, 3624283), (65, 3345492), (78, 2787910), (79, 2752620), (130, 1672746), (156, 1393955), (158, 1376310), (195, 1115164), (237, 917540), (260, 836373), (316, 688155), (390, 557582), (395, 550524), (474, 458770), (780, 278791), (790, 275262), (948, 229385), (1027, 211740), (1185, 183508), (1580, 137631), (2054, 105870), (2370, 91754), (3081, 70580), (3529, 61620), (4108, 52935), (4740, 45877), (5135, 42348), (6162, 35290), (7058, 30810), (10270, 21174), (10587, 20540), (12324, 17645), (14116, 15405)]