20180246560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{349381}}^1$

素因数の和:349434

約数の個数: 72

約数和(自身を含む): 50317296876

約数和(自身を除く): 30137050316

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 361, 380, 608, 722, 760, 1444, 1520, 1805, 2888, 3040, 3610, 5776, 7220, 11552, 14440, 28880, 57760, 349381, 698762, 1397524, 1746905, 2795048, 3493810, 5590096, 6638239, 6987620, 11180192, 13276478, 13975240, 26552956, 27950480, 33191195, 53105912, 55900960, 66382390, 106211824, 126126541, 132764780, 212423648, 252253082, 265529560, 504506164, 531059120, 630632705, 1009012328, 1062118240, 1261265410, 2018024656, 2522530820, 4036049312, 5045061640, 10090123280, 20180246560]

約数ペア:

[(1, 20180246560), (2, 10090123280), (4, 5045061640), (5, 4036049312), (8, 2522530820), (10, 2018024656), (16, 1261265410), (19, 1062118240), (20, 1009012328), (32, 630632705), (38, 531059120), (40, 504506164), (76, 265529560), (80, 252253082), (95, 212423648), (152, 132764780), (160, 126126541), (190, 106211824), (304, 66382390), (361, 55900960), (380, 53105912), (608, 33191195), (722, 27950480), (760, 26552956), (1444, 13975240), (1520, 13276478), (1805, 11180192), (2888, 6987620), (3040, 6638239), (3610, 5590096), (5776, 3493810), (7220, 2795048), (11552, 1746905), (14440, 1397524), (28880, 698762), (57760, 349381)]