18915695630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 39016857600

約数和(自身を除く): 20101161970

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 205, 239, 310, 403, 410, 478, 479, 533, 806, 958, 1066, 1195, 1271, 2015, 2390, 2395, 2542, 2665, 3107, 4030, 4790, 5330, 6214, 6227, 6355, 7409, 9799, 12454, 12710, 14818, 14849, 15535, 16523, 19598, 19639, 29698, 31070, 31135, 33046, 37045, 39278, 48995, 62270, 74090, 74245, 82615, 96317, 97990, 98195, 114481, 127387, 148490, 165230, 192634, 193037, 196390, 228962, 254774, 255307, 303769, 386074, 481585, 510614, 572405, 607538, 608809, 636935, 963170, 965185, 1144810, 1217618, 1273870, 1276535, 1488253, 1518845, 1930370, 2553070, 2976506, 3037690, 3044045, 3548911, 3948997, 4693721, 6088090, 7097822, 7441265, 7897994, 7914517, 9387442, 14882530, 15829034, 17744555, 19744985, 23468605, 35489110, 39489970, 39572585, 46135843, 46937210, 61018373, 79145170, 92271686, 122036746, 145505351, 230679215, 291010702, 305091865, 461358430, 610183730, 727526755, 1455053510, 1891569563, 3783139126, 9457847815, 18915695630]

約数ペア:

[(1, 18915695630), (2, 9457847815), (5, 3783139126), (10, 1891569563), (13, 1455053510), (26, 727526755), (31, 610183730), (41, 461358430), (62, 305091865), (65, 291010702), (82, 230679215), (130, 145505351), (155, 122036746), (205, 92271686), (239, 79145170), (310, 61018373), (403, 46937210), (410, 46135843), (478, 39572585), (479, 39489970), (533, 35489110), (806, 23468605), (958, 19744985), (1066, 17744555), (1195, 15829034), (1271, 14882530), (2015, 9387442), (2390, 7914517), (2395, 7897994), (2542, 7441265), (2665, 7097822), (3107, 6088090), (4030, 4693721), (4790, 3948997), (5330, 3548911), (6214, 3044045), (6227, 3037690), (6355, 2976506), (7409, 2553070), (9799, 1930370), (12454, 1518845), (12710, 1488253), (14818, 1276535), (14849, 1273870), (15535, 1217618), (16523, 1144810), (19598, 965185), (19639, 963170), (29698, 636935), (31070, 608809), (31135, 607538), (33046, 572405), (37045, 510614), (39278, 481585), (48995, 386074), (62270, 303769), (74090, 255307), (74245, 254774), (82615, 228962), (96317, 196390), (97990, 193037), (98195, 192634), (114481, 165230), (127387, 148490)]