2521560780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1556519}}^1$

素因数の和:1556540

約数の個数: 60

約数和(自身を含む): 7910234640

約数和(自身を除く): 5388673860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1556519, 3113038, 4669557, 6226076, 7782595, 9339114, 14008671, 15565190, 18678228, 23347785, 28017342, 31130380, 42026013, 46695570, 56034684, 70043355, 84052026, 93391140, 126078039, 140086710, 168104052, 210130065, 252156078, 280173420, 420260130, 504312156, 630390195, 840520260, 1260780390, 2521560780]

約数ペア:

[(1, 2521560780), (2, 1260780390), (3, 840520260), (4, 630390195), (5, 504312156), (6, 420260130), (9, 280173420), (10, 252156078), (12, 210130065), (15, 168104052), (18, 140086710), (20, 126078039), (27, 93391140), (30, 84052026), (36, 70043355), (45, 56034684), (54, 46695570), (60, 42026013), (81, 31130380), (90, 28017342), (108, 23347785), (135, 18678228), (162, 15565190), (180, 14008671), (270, 9339114), (324, 7782595), (405, 6226076), (540, 4669557), (810, 3113038), (1620, 1556519)]