1640914320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{220553}}^1$

素因数の和:220600

約数の個数: 80

約数和(自身を含む): 5250949632

約数和(自身を除く): 3610035312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 220553, 441106, 661659, 882212, 1102765, 1323318, 1764424, 2205530, 2646636, 3308295, 3528848, 4411060, 5293272, 6616590, 6837143, 8822120, 10586544, 13233180, 13674286, 17644240, 20511429, 26466360, 27348572, 34185715, 41022858, 52932720, 54697144, 68371430, 82045716, 102557145, 109394288, 136742860, 164091432, 205114290, 273485720, 328182864, 410228580, 546971440, 820457160, 1640914320]

約数ペア:

[(1, 1640914320), (2, 820457160), (3, 546971440), (4, 410228580), (5, 328182864), (6, 273485720), (8, 205114290), (10, 164091432), (12, 136742860), (15, 109394288), (16, 102557145), (20, 82045716), (24, 68371430), (30, 54697144), (31, 52932720), (40, 41022858), (48, 34185715), (60, 27348572), (62, 26466360), (80, 20511429), (93, 17644240), (120, 13674286), (124, 13233180), (155, 10586544), (186, 8822120), (240, 6837143), (248, 6616590), (310, 5293272), (372, 4411060), (465, 3528848), (496, 3308295), (620, 2646636), (744, 2205530), (930, 1764424), (1240, 1323318), (1488, 1102765), (1860, 882212), (2480, 661659), (3720, 441106), (7440, 220553)]