172705367080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8161}}^1\times {\mathrm{31121}}^1$

素因数の和:39310

約数の個数: 64

約数和(自身を含む): 411508777680

約数和(自身を除く): 238803410600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 8161, 16322, 31121, 32644, 40805, 62242, 65288, 81610, 124484, 138737, 155605, 163220, 248968, 277474, 311210, 326440, 529057, 554948, 622420, 693685, 1058114, 1109896, 1244840, 1387370, 2116228, 2645285, 2774740, 4232456, 5290570, 5549480, 10581140, 21162280, 253978481, 507956962, 1015913924, 1269892405, 2031827848, 2539784810, 4317634177, 5079569620, 8635268354, 10159139240, 17270536708, 21588170885, 34541073416, 43176341770, 86352683540, 172705367080]

約数ペア:

[(1, 172705367080), (2, 86352683540), (4, 43176341770), (5, 34541073416), (8, 21588170885), (10, 17270536708), (17, 10159139240), (20, 8635268354), (34, 5079569620), (40, 4317634177), (68, 2539784810), (85, 2031827848), (136, 1269892405), (170, 1015913924), (340, 507956962), (680, 253978481), (8161, 21162280), (16322, 10581140), (31121, 5549480), (32644, 5290570), (40805, 4232456), (62242, 2774740), (65288, 2645285), (81610, 2116228), (124484, 1387370), (138737, 1244840), (155605, 1109896), (163220, 1058114), (248968, 693685), (277474, 622420), (311210, 554948), (326440, 529057)]