31620060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1811}}^1$

素因数の和:1923

約数の個数: 72

約数和(自身を含む): 96956496

約数和(自身を除く): 65336436

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, 582, 873, 970, 1164, 1455, 1746, 1811, 1940, 2910, 3492, 3622, 4365, 5433, 5820, 7244, 8730, 9055, 10866, 16299, 17460, 18110, 21732, 27165, 32598, 36220, 54330, 65196, 81495, 108660, 162990, 175667, 325980, 351334, 527001, 702668, 878335, 1054002, 1581003, 1756670, 2108004, 2635005, 3162006, 3513340, 5270010, 6324012, 7905015, 10540020, 15810030, 31620060]

約数ペア:

[(1, 31620060), (2, 15810030), (3, 10540020), (4, 7905015), (5, 6324012), (6, 5270010), (9, 3513340), (10, 3162006), (12, 2635005), (15, 2108004), (18, 1756670), (20, 1581003), (30, 1054002), (36, 878335), (45, 702668), (60, 527001), (90, 351334), (97, 325980), (180, 175667), (194, 162990), (291, 108660), (388, 81495), (485, 65196), (582, 54330), (873, 36220), (970, 32598), (1164, 27165), (1455, 21732), (1746, 18110), (1811, 17460), (1940, 16299), (2910, 10866), (3492, 9055), (3622, 8730), (4365, 7244), (5433, 5820)]