20100240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27917}}^1$

素因数の和:27936

約数の個数: 60

約数和(自身を含む): 67505724

約数和(自身を除く): 47405484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 27917, 55834, 83751, 111668, 139585, 167502, 223336, 251253, 279170, 335004, 418755, 446672, 502506, 558340, 670008, 837510, 1005012, 1116680, 1256265, 1340016, 1675020, 2010024, 2233360, 2512530, 3350040, 4020048, 5025060, 6700080, 10050120, 20100240]

約数ペア:

[(1, 20100240), (2, 10050120), (3, 6700080), (4, 5025060), (5, 4020048), (6, 3350040), (8, 2512530), (9, 2233360), (10, 2010024), (12, 1675020), (15, 1340016), (16, 1256265), (18, 1116680), (20, 1005012), (24, 837510), (30, 670008), (36, 558340), (40, 502506), (45, 446672), (48, 418755), (60, 335004), (72, 279170), (80, 251253), (90, 223336), (120, 167502), (144, 139585), (180, 111668), (240, 83751), (360, 55834), (720, 27917)]