71266860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:532

約数の個数: 144

約数和(自身を含む): 249290496

約数和(自身を除く): 178023636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 347, 420, 489, 630, 652, 694, 815, 978, 1041, 1141, 1260, 1388, 1467, 1630, 1735, 1956, 2082, 2282, 2429, 2445, 2934, 3123, 3260, 3423, 3470, 4164, 4564, 4858, 4890, 5205, 5705, 5868, 6246, 6846, 6940, 7287, 7335, 9716, 9780, 10269, 10410, 11410, 12145, 12492, 13692, 14574, 14670, 15615, 17115, 20538, 20820, 21861, 22820, 24290, 29148, 29340, 31230, 34230, 36435, 41076, 43722, 48580, 51345, 56561, 62460, 68460, 72870, 87444, 102690, 109305, 113122, 145740, 169683, 205380, 218610, 226244, 282805, 339366, 395927, 437220, 509049, 565610, 678732, 791854, 848415, 1018098, 1131220, 1187781, 1583708, 1696830, 1979635, 2036196, 2375562, 2545245, 3393660, 3563343, 3959270, 4751124, 5090490, 5938905, 7126686, 7918540, 10180980, 11877810, 14253372, 17816715, 23755620, 35633430, 71266860]

約数ペア:

[(1, 71266860), (2, 35633430), (3, 23755620), (4, 17816715), (5, 14253372), (6, 11877810), (7, 10180980), (9, 7918540), (10, 7126686), (12, 5938905), (14, 5090490), (15, 4751124), (18, 3959270), (20, 3563343), (21, 3393660), (28, 2545245), (30, 2375562), (35, 2036196), (36, 1979635), (42, 1696830), (45, 1583708), (60, 1187781), (63, 1131220), (70, 1018098), (84, 848415), (90, 791854), (105, 678732), (126, 565610), (140, 509049), (163, 437220), (180, 395927), (210, 339366), (252, 282805), (315, 226244), (326, 218610), (347, 205380), (420, 169683), (489, 145740), (630, 113122), (652, 109305), (694, 102690), (815, 87444), (978, 72870), (1041, 68460), (1141, 62460), (1260, 56561), (1388, 51345), (1467, 48580), (1630, 43722), (1735, 41076), (1956, 36435), (2082, 34230), (2282, 31230), (2429, 29340), (2445, 29148), (2934, 24290), (3123, 22820), (3260, 21861), (3423, 20820), (3470, 20538), (4164, 17115), (4564, 15615), (4858, 14670), (4890, 14574), (5205, 13692), (5705, 12492), (5868, 12145), (6246, 11410), (6846, 10410), (6940, 10269), (7287, 9780), (7335, 9716)]