215218260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2699}}^1$

素因数の和:3157

約数の個数: 72

約数和(自身を含む): 654544800

約数和(自身を除く): 439326540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2658, 2699, 3987, 4430, 5316, 5398, 6645, 7974, 8097, 8860, 10796, 13290, 13495, 15948, 16194, 19935, 24291, 26580, 26990, 32388, 39870, 40485, 48582, 53980, 79740, 80970, 97164, 121455, 161940, 242910, 485820, 1195657, 2391314, 3586971, 4782628, 5978285, 7173942, 10760913, 11956570, 14347884, 17934855, 21521826, 23913140, 35869710, 43043652, 53804565, 71739420, 107609130, 215218260]

約数ペア:

[(1, 215218260), (2, 107609130), (3, 71739420), (4, 53804565), (5, 43043652), (6, 35869710), (9, 23913140), (10, 21521826), (12, 17934855), (15, 14347884), (18, 11956570), (20, 10760913), (30, 7173942), (36, 5978285), (45, 4782628), (60, 3586971), (90, 2391314), (180, 1195657), (443, 485820), (886, 242910), (1329, 161940), (1772, 121455), (2215, 97164), (2658, 80970), (2699, 79740), (3987, 53980), (4430, 48582), (5316, 40485), (5398, 39870), (6645, 32388), (7974, 26990), (8097, 26580), (8860, 24291), (10796, 19935), (13290, 16194), (13495, 15948)]