216597680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12251}}^1$

素因数の和:12294

約数の個数: 80

約数和(自身を含む): 574275744

約数和(自身を除く): 357678064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 12251, 17680, 24502, 49004, 61255, 98008, 122510, 159263, 196016, 208267, 245020, 318526, 416534, 490040, 637052, 796315, 833068, 980080, 1041335, 1274104, 1592630, 1666136, 2082670, 2548208, 2707471, 3185260, 3332272, 4165340, 5414942, 6370520, 8330680, 10829884, 12741040, 13537355, 16661360, 21659768, 27074710, 43319536, 54149420, 108298840, 216597680]

約数ペア:

[(1, 216597680), (2, 108298840), (4, 54149420), (5, 43319536), (8, 27074710), (10, 21659768), (13, 16661360), (16, 13537355), (17, 12741040), (20, 10829884), (26, 8330680), (34, 6370520), (40, 5414942), (52, 4165340), (65, 3332272), (68, 3185260), (80, 2707471), (85, 2548208), (104, 2082670), (130, 1666136), (136, 1592630), (170, 1274104), (208, 1041335), (221, 980080), (260, 833068), (272, 796315), (340, 637052), (442, 490040), (520, 416534), (680, 318526), (884, 245020), (1040, 208267), (1105, 196016), (1360, 159263), (1768, 122510), (2210, 98008), (3536, 61255), (4420, 49004), (8840, 24502), (12251, 17680)]