68796280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 190512000

約数和(自身を除く): 121715720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 97, 119, 136, 140, 149, 170, 194, 238, 280, 298, 340, 388, 476, 485, 595, 596, 679, 680, 745, 776, 952, 970, 1043, 1190, 1192, 1358, 1490, 1649, 1940, 2086, 2380, 2533, 2716, 2980, 3298, 3395, 3880, 4172, 4760, 5066, 5215, 5432, 5960, 6596, 6790, 8245, 8344, 10132, 10430, 11543, 12665, 13192, 13580, 14453, 16490, 17731, 20264, 20860, 23086, 25330, 27160, 28906, 32980, 35462, 41720, 46172, 50660, 57715, 57812, 65960, 70924, 72265, 88655, 92344, 101171, 101320, 115430, 115624, 141848, 144530, 177310, 202342, 230860, 245701, 289060, 354620, 404684, 461720, 491402, 505855, 578120, 709240, 809368, 982804, 1011710, 1228505, 1719907, 1965608, 2023420, 2457010, 3439814, 4046840, 4914020, 6879628, 8599535, 9828040, 13759256, 17199070, 34398140, 68796280]

約数ペア:

[(1, 68796280), (2, 34398140), (4, 17199070), (5, 13759256), (7, 9828040), (8, 8599535), (10, 6879628), (14, 4914020), (17, 4046840), (20, 3439814), (28, 2457010), (34, 2023420), (35, 1965608), (40, 1719907), (56, 1228505), (68, 1011710), (70, 982804), (85, 809368), (97, 709240), (119, 578120), (136, 505855), (140, 491402), (149, 461720), (170, 404684), (194, 354620), (238, 289060), (280, 245701), (298, 230860), (340, 202342), (388, 177310), (476, 144530), (485, 141848), (595, 115624), (596, 115430), (679, 101320), (680, 101171), (745, 92344), (776, 88655), (952, 72265), (970, 70924), (1043, 65960), (1190, 57812), (1192, 57715), (1358, 50660), (1490, 46172), (1649, 41720), (1940, 35462), (2086, 32980), (2380, 28906), (2533, 27160), (2716, 25330), (2980, 23086), (3298, 20860), (3395, 20264), (3880, 17731), (4172, 16490), (4760, 14453), (5066, 13580), (5215, 13192), (5432, 12665), (5960, 11543), (6596, 10430), (6790, 10132), (8245, 8344)]