251503020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 797483232

約数和(自身を除く): 545980212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 53, 60, 82, 90, 106, 123, 159, 164, 180, 205, 212, 246, 265, 318, 369, 410, 477, 492, 530, 615, 636, 643, 738, 795, 820, 954, 1060, 1230, 1286, 1476, 1590, 1845, 1908, 1929, 2173, 2385, 2460, 2572, 3180, 3215, 3690, 3858, 4346, 4770, 5787, 6430, 6519, 7380, 7716, 8692, 9540, 9645, 10865, 11574, 12860, 13038, 19290, 19557, 21730, 23148, 26076, 26363, 28935, 32595, 34079, 38580, 39114, 43460, 52726, 57870, 65190, 68158, 78228, 79089, 97785, 102237, 105452, 115740, 130380, 131815, 136316, 158178, 170395, 195570, 204474, 237267, 263630, 306711, 316356, 340790, 391140, 395445, 408948, 474534, 511185, 527260, 613422, 681580, 790890, 949068, 1022370, 1186335, 1226844, 1397239, 1533555, 1581780, 2044740, 2372670, 2794478, 3067110, 4191717, 4745340, 5588956, 6134220, 6986195, 8383434, 12575151, 13972390, 16766868, 20958585, 25150302, 27944780, 41917170, 50300604, 62875755, 83834340, 125751510, 251503020]

約数ペア:

[(1, 251503020), (2, 125751510), (3, 83834340), (4, 62875755), (5, 50300604), (6, 41917170), (9, 27944780), (10, 25150302), (12, 20958585), (15, 16766868), (18, 13972390), (20, 12575151), (30, 8383434), (36, 6986195), (41, 6134220), (45, 5588956), (53, 4745340), (60, 4191717), (82, 3067110), (90, 2794478), (106, 2372670), (123, 2044740), (159, 1581780), (164, 1533555), (180, 1397239), (205, 1226844), (212, 1186335), (246, 1022370), (265, 949068), (318, 790890), (369, 681580), (410, 613422), (477, 527260), (492, 511185), (530, 474534), (615, 408948), (636, 395445), (643, 391140), (738, 340790), (795, 316356), (820, 306711), (954, 263630), (1060, 237267), (1230, 204474), (1286, 195570), (1476, 170395), (1590, 158178), (1845, 136316), (1908, 131815), (1929, 130380), (2173, 115740), (2385, 105452), (2460, 102237), (2572, 97785), (3180, 79089), (3215, 78228), (3690, 68158), (3858, 65190), (4346, 57870), (4770, 52726), (5787, 43460), (6430, 39114), (6519, 38580), (7380, 34079), (7716, 32595), (8692, 28935), (9540, 26363), (9645, 26076), (10865, 23148), (11574, 21730), (12860, 19557), (13038, 19290)]