173870678020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^3\times {\mathrm{647}}^1$

素因数の和:811

約数の個数: 144

約数和(自身を含む): 405414979200

約数和(自身を除く): 231544301180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 647, 676, 845, 860, 1118, 1294, 1690, 1849, 2236, 2588, 2795, 3235, 3380, 3698, 5590, 6470, 7267, 7396, 8411, 9245, 11180, 12940, 14534, 16822, 18490, 24037, 27821, 29068, 33644, 36335, 36980, 42055, 48074, 55642, 72670, 79507, 84110, 96148, 109343, 111284, 120185, 139105, 145340, 159014, 168220, 218686, 240370, 278210, 312481, 318028, 361673, 397535, 437372, 480740, 546715, 556420, 624962, 723346, 795070, 1033591, 1093430, 1196303, 1249924, 1446692, 1562405, 1590140, 1808365, 2067182, 2186860, 2392606, 3124810, 3616730, 4134364, 4701749, 4785212, 5167955, 5981515, 6249620, 7233460, 9403498, 10335910, 11963030, 13436683, 15551939, 18806996, 20671820, 23508745, 23926060, 26873366, 31103878, 47017490, 51441029, 53746732, 62207756, 67183415, 77759695, 94034980, 102882058, 134366830, 155519390, 202175207, 205764116, 257205145, 268733660, 311038780, 404350414, 514410290, 668733377, 808700828, 1010876035, 1028820580, 1337466754, 2021752070, 2674933508, 3343666885, 4043504140, 6687333770, 8693533901, 13374667540, 17387067802, 34774135604, 43467669505, 86935339010, 173870678020]

約数ペア:

[(1, 173870678020), (2, 86935339010), (4, 43467669505), (5, 34774135604), (10, 17387067802), (13, 13374667540), (20, 8693533901), (26, 6687333770), (43, 4043504140), (52, 3343666885), (65, 2674933508), (86, 2021752070), (130, 1337466754), (169, 1028820580), (172, 1010876035), (215, 808700828), (260, 668733377), (338, 514410290), (430, 404350414), (559, 311038780), (647, 268733660), (676, 257205145), (845, 205764116), (860, 202175207), (1118, 155519390), (1294, 134366830), (1690, 102882058), (1849, 94034980), (2236, 77759695), (2588, 67183415), (2795, 62207756), (3235, 53746732), (3380, 51441029), (3698, 47017490), (5590, 31103878), (6470, 26873366), (7267, 23926060), (7396, 23508745), (8411, 20671820), (9245, 18806996), (11180, 15551939), (12940, 13436683), (14534, 11963030), (16822, 10335910), (18490, 9403498), (24037, 7233460), (27821, 6249620), (29068, 5981515), (33644, 5167955), (36335, 4785212), (36980, 4701749), (42055, 4134364), (48074, 3616730), (55642, 3124810), (72670, 2392606), (79507, 2186860), (84110, 2067182), (96148, 1808365), (109343, 1590140), (111284, 1562405), (120185, 1446692), (139105, 1249924), (145340, 1196303), (159014, 1093430), (168220, 1033591), (218686, 795070), (240370, 723346), (278210, 624962), (312481, 556420), (318028, 546715), (361673, 480740), (397535, 437372)]