168243440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:666

約数の個数: 80

約数和(自身を含む): 406099008

約数和(自身を除く): 237855568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 113, 148, 185, 226, 296, 370, 452, 503, 565, 592, 740, 904, 1006, 1130, 1480, 1808, 2012, 2260, 2515, 2960, 4024, 4181, 4520, 5030, 8048, 8362, 9040, 10060, 16724, 18611, 20120, 20905, 33448, 37222, 40240, 41810, 56839, 66896, 74444, 83620, 93055, 113678, 148888, 167240, 186110, 227356, 284195, 297776, 334480, 372220, 454712, 568390, 744440, 909424, 1136780, 1488880, 2103043, 2273560, 4206086, 4547120, 8412172, 10515215, 16824344, 21030430, 33648688, 42060860, 84121720, 168243440]

約数ペア:

[(1, 168243440), (2, 84121720), (4, 42060860), (5, 33648688), (8, 21030430), (10, 16824344), (16, 10515215), (20, 8412172), (37, 4547120), (40, 4206086), (74, 2273560), (80, 2103043), (113, 1488880), (148, 1136780), (185, 909424), (226, 744440), (296, 568390), (370, 454712), (452, 372220), (503, 334480), (565, 297776), (592, 284195), (740, 227356), (904, 186110), (1006, 167240), (1130, 148888), (1480, 113678), (1808, 93055), (2012, 83620), (2260, 74444), (2515, 66896), (2960, 56839), (4024, 41810), (4181, 40240), (4520, 37222), (5030, 33448), (8048, 20905), (8362, 20120), (9040, 18611), (10060, 16724)]