64810140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 192864000

約数和(自身を除く): 128053860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 139, 190, 228, 278, 285, 380, 409, 417, 556, 570, 695, 818, 834, 1140, 1227, 1390, 1636, 1668, 2045, 2085, 2454, 2641, 2780, 4090, 4170, 4908, 5282, 6135, 7771, 7923, 8180, 8340, 10564, 12270, 13205, 15542, 15846, 23313, 24540, 26410, 31084, 31692, 38855, 39615, 46626, 52820, 56851, 77710, 79230, 93252, 113702, 116565, 155420, 158460, 170553, 227404, 233130, 284255, 341106, 466260, 568510, 682212, 852765, 1080169, 1137020, 1705530, 2160338, 3240507, 3411060, 4320676, 5400845, 6481014, 10801690, 12962028, 16202535, 21603380, 32405070, 64810140]

約数ペア:

[(1, 64810140), (2, 32405070), (3, 21603380), (4, 16202535), (5, 12962028), (6, 10801690), (10, 6481014), (12, 5400845), (15, 4320676), (19, 3411060), (20, 3240507), (30, 2160338), (38, 1705530), (57, 1137020), (60, 1080169), (76, 852765), (95, 682212), (114, 568510), (139, 466260), (190, 341106), (228, 284255), (278, 233130), (285, 227404), (380, 170553), (409, 158460), (417, 155420), (556, 116565), (570, 113702), (695, 93252), (818, 79230), (834, 77710), (1140, 56851), (1227, 52820), (1390, 46626), (1636, 39615), (1668, 38855), (2045, 31692), (2085, 31084), (2454, 26410), (2641, 24540), (2780, 23313), (4090, 15846), (4170, 15542), (4908, 13205), (5282, 12270), (6135, 10564), (7771, 8340), (7923, 8180)]