674356640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1846

約数の個数: 96

約数和(自身を含む): 1666344960

約数和(自身を除く): 991988320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 620, 632, 790, 992, 1240, 1264, 1580, 1721, 2449, 2480, 2528, 3160, 3442, 4898, 4960, 6320, 6884, 8605, 9796, 12245, 12640, 13768, 17210, 19592, 24490, 27536, 34420, 39184, 48980, 53351, 55072, 68840, 78368, 97960, 106702, 135959, 137680, 195920, 213404, 266755, 271918, 275360, 391840, 426808, 533510, 543836, 679795, 853616, 1067020, 1087672, 1359590, 1707232, 2134040, 2175344, 2719180, 4214729, 4268080, 4350688, 5438360, 8429458, 8536160, 10876720, 16858916, 21073645, 21753440, 33717832, 42147290, 67435664, 84294580, 134871328, 168589160, 337178320, 674356640]

約数ペア:

[(1, 674356640), (2, 337178320), (4, 168589160), (5, 134871328), (8, 84294580), (10, 67435664), (16, 42147290), (20, 33717832), (31, 21753440), (32, 21073645), (40, 16858916), (62, 10876720), (79, 8536160), (80, 8429458), (124, 5438360), (155, 4350688), (158, 4268080), (160, 4214729), (248, 2719180), (310, 2175344), (316, 2134040), (395, 1707232), (496, 1359590), (620, 1087672), (632, 1067020), (790, 853616), (992, 679795), (1240, 543836), (1264, 533510), (1580, 426808), (1721, 391840), (2449, 275360), (2480, 271918), (2528, 266755), (3160, 213404), (3442, 195920), (4898, 137680), (4960, 135959), (6320, 106702), (6884, 97960), (8605, 78368), (9796, 68840), (12245, 55072), (12640, 53351), (13768, 48980), (17210, 39184), (19592, 34420), (24490, 27536)]