72540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:59

約数の個数: 72

約数和(自身を含む): 244608

約数和(自身を除く): 172068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4030, 4836, 5580, 6045, 7254, 8060, 12090, 14508, 18135, 24180, 36270, 72540]

約数ペア:

[(1, 72540), (2, 36270), (3, 24180), (4, 18135), (5, 14508), (6, 12090), (9, 8060), (10, 7254), (12, 6045), (13, 5580), (15, 4836), (18, 4030), (20, 3627), (26, 2790), (30, 2418), (31, 2340), (36, 2015), (39, 1860), (45, 1612), (52, 1395), (60, 1209), (62, 1170), (65, 1116), (78, 930), (90, 806), (93, 780), (117, 620), (124, 585), (130, 558), (155, 468), (156, 465), (180, 403), (186, 390), (195, 372), (234, 310), (260, 279)]