28020240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{38917}}^1$

素因数の和:38936

約数の個数: 60

約数和(自身を含む): 94103724

約数和(自身を除く): 66083484

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, 38917, 77834, 116751, 155668, 194585, 233502, 311336, 350253, 389170, 467004, 583755, 622672, 700506, 778340, 934008, 1167510, 1401012, 1556680, 1751265, 1868016, 2335020, 2802024, 3113360, 3502530, 4670040, 5604048, 7005060, 9340080, 14010120, 28020240]

約数ペア:

[(1, 28020240), (2, 14010120), (3, 9340080), (4, 7005060), (5, 5604048), (6, 4670040), (8, 3502530), (9, 3113360), (10, 2802024), (12, 2335020), (15, 1868016), (16, 1751265), (18, 1556680), (20, 1401012), (24, 1167510), (30, 934008), (36, 778340), (40, 700506), (45, 622672), (48, 583755), (60, 467004), (72, 389170), (80, 350253), (90, 311336), (120, 233502), (144, 194585), (180, 155668), (240, 116751), (360, 77834), (720, 38917)]