9829980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 30178512

約数和(自身を除く): 20348532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 563, 582, 873, 970, 1126, 1164, 1455, 1689, 1746, 1940, 2252, 2815, 2910, 3378, 3492, 4365, 5067, 5630, 5820, 6756, 8445, 8730, 10134, 11260, 16890, 17460, 20268, 25335, 33780, 50670, 54611, 101340, 109222, 163833, 218444, 273055, 327666, 491499, 546110, 655332, 819165, 982998, 1092220, 1638330, 1965996, 2457495, 3276660, 4914990, 9829980]

約数ペア:

[(1, 9829980), (2, 4914990), (3, 3276660), (4, 2457495), (5, 1965996), (6, 1638330), (9, 1092220), (10, 982998), (12, 819165), (15, 655332), (18, 546110), (20, 491499), (30, 327666), (36, 273055), (45, 218444), (60, 163833), (90, 109222), (97, 101340), (180, 54611), (194, 50670), (291, 33780), (388, 25335), (485, 20268), (563, 17460), (582, 16890), (873, 11260), (970, 10134), (1126, 8730), (1164, 8445), (1455, 6756), (1689, 5820), (1746, 5630), (1940, 5067), (2252, 4365), (2815, 3492), (2910, 3378)]