87421860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15667}}^1$

素因数の和:15713

約数の個数: 72

約数和(自身を含む): 273751296

約数和(自身を除く): 186329436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15667, 31334, 47001, 62668, 78335, 94002, 141003, 156670, 188004, 235005, 282006, 313340, 470010, 485677, 564012, 705015, 940020, 971354, 1410030, 1457031, 1942708, 2428385, 2820060, 2914062, 4371093, 4856770, 5828124, 7285155, 8742186, 9713540, 14570310, 17484372, 21855465, 29140620, 43710930, 87421860]

約数ペア:

[(1, 87421860), (2, 43710930), (3, 29140620), (4, 21855465), (5, 17484372), (6, 14570310), (9, 9713540), (10, 8742186), (12, 7285155), (15, 5828124), (18, 4856770), (20, 4371093), (30, 2914062), (31, 2820060), (36, 2428385), (45, 1942708), (60, 1457031), (62, 1410030), (90, 971354), (93, 940020), (124, 705015), (155, 564012), (180, 485677), (186, 470010), (279, 313340), (310, 282006), (372, 235005), (465, 188004), (558, 156670), (620, 141003), (930, 94002), (1116, 78335), (1395, 62668), (1860, 47001), (2790, 31334), (5580, 15667)]