30978540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2917}}^1$

素因数の和:2991

約数の個数: 72

約数和(自身を含む): 95593680

約数和(自身を除く): 64615140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2917, 3540, 5310, 5834, 8751, 10620, 11668, 14585, 17502, 26253, 29170, 35004, 43755, 52506, 58340, 87510, 105012, 131265, 172103, 175020, 262530, 344206, 516309, 525060, 688412, 860515, 1032618, 1548927, 1721030, 2065236, 2581545, 3097854, 3442060, 5163090, 6195708, 7744635, 10326180, 15489270, 30978540]

約数ペア:

[(1, 30978540), (2, 15489270), (3, 10326180), (4, 7744635), (5, 6195708), (6, 5163090), (9, 3442060), (10, 3097854), (12, 2581545), (15, 2065236), (18, 1721030), (20, 1548927), (30, 1032618), (36, 860515), (45, 688412), (59, 525060), (60, 516309), (90, 344206), (118, 262530), (177, 175020), (180, 172103), (236, 131265), (295, 105012), (354, 87510), (531, 58340), (590, 52506), (708, 43755), (885, 35004), (1062, 29170), (1180, 26253), (1770, 17502), (2124, 14585), (2655, 11668), (2917, 10620), (3540, 8751), (5310, 5834)]