261724590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2238

約数の個数: 96

約数和(自身を含む): 722442240

約数和(自身を除く): 460717650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 59, 69, 90, 115, 118, 138, 177, 207, 230, 295, 345, 354, 414, 531, 590, 690, 885, 1035, 1062, 1357, 1770, 2070, 2143, 2655, 2714, 4071, 4286, 5310, 6429, 6785, 8142, 10715, 12213, 12858, 13570, 19287, 20355, 21430, 24426, 32145, 38574, 40710, 49289, 61065, 64290, 96435, 98578, 122130, 126437, 147867, 192870, 246445, 252874, 295734, 379311, 443601, 492890, 632185, 739335, 758622, 887202, 1137933, 1264370, 1478670, 1896555, 2218005, 2275866, 2908051, 3793110, 4436010, 5689665, 5816102, 8724153, 11379330, 14540255, 17448306, 26172459, 29080510, 43620765, 52344918, 87241530, 130862295, 261724590]

約数ペア:

[(1, 261724590), (2, 130862295), (3, 87241530), (5, 52344918), (6, 43620765), (9, 29080510), (10, 26172459), (15, 17448306), (18, 14540255), (23, 11379330), (30, 8724153), (45, 5816102), (46, 5689665), (59, 4436010), (69, 3793110), (90, 2908051), (115, 2275866), (118, 2218005), (138, 1896555), (177, 1478670), (207, 1264370), (230, 1137933), (295, 887202), (345, 758622), (354, 739335), (414, 632185), (531, 492890), (590, 443601), (690, 379311), (885, 295734), (1035, 252874), (1062, 246445), (1357, 192870), (1770, 147867), (2070, 126437), (2143, 122130), (2655, 98578), (2714, 96435), (4071, 64290), (4286, 61065), (5310, 49289), (6429, 40710), (6785, 38574), (8142, 32145), (10715, 24426), (12213, 21430), (12858, 20355), (13570, 19287)]