17915620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 25629980

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 29, 34, 46, 58, 68, 79, 85, 92, 115, 116, 145, 158, 170, 230, 290, 316, 340, 391, 395, 460, 493, 580, 667, 782, 790, 986, 1334, 1343, 1564, 1580, 1817, 1955, 1972, 2291, 2465, 2668, 2686, 3335, 3634, 3910, 4582, 4930, 5372, 6670, 6715, 7268, 7820, 9085, 9164, 9860, 11339, 11455, 13340, 13430, 18170, 22678, 22910, 26860, 30889, 36340, 38947, 45356, 45820, 52693, 56695, 61778, 77894, 105386, 113390, 123556, 154445, 155788, 194735, 210772, 226780, 263465, 308890, 389470, 526930, 617780, 778940, 895781, 1053860, 1791562, 3583124, 4478905, 8957810, 17915620]

約数ペア:

[(1, 17915620), (2, 8957810), (4, 4478905), (5, 3583124), (10, 1791562), (17, 1053860), (20, 895781), (23, 778940), (29, 617780), (34, 526930), (46, 389470), (58, 308890), (68, 263465), (79, 226780), (85, 210772), (92, 194735), (115, 155788), (116, 154445), (145, 123556), (158, 113390), (170, 105386), (230, 77894), (290, 61778), (316, 56695), (340, 52693), (391, 45820), (395, 45356), (460, 38947), (493, 36340), (580, 30889), (667, 26860), (782, 22910), (790, 22678), (986, 18170), (1334, 13430), (1343, 13340), (1564, 11455), (1580, 11339), (1817, 9860), (1955, 9164), (1972, 9085), (2291, 7820), (2465, 7268), (2668, 6715), (2686, 6670), (3335, 5372), (3634, 4930), (3910, 4582)]