18340920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3919}}^1$

素因数の和:3949

約数の個数: 96

約数和(自身を含む): 64209600

約数和(自身を除く): 45868680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 3919, 4680, 7838, 11757, 15676, 19595, 23514, 31352, 35271, 39190, 47028, 50947, 58785, 70542, 78380, 94056, 101894, 117570, 141084, 152841, 156760, 176355, 203788, 235140, 254735, 282168, 305682, 352710, 407576, 458523, 470280, 509470, 611364, 705420, 764205, 917046, 1018940, 1222728, 1410840, 1528410, 1834092, 2037880, 2292615, 3056820, 3668184, 4585230, 6113640, 9170460, 18340920]

約数ペア:

[(1, 18340920), (2, 9170460), (3, 6113640), (4, 4585230), (5, 3668184), (6, 3056820), (8, 2292615), (9, 2037880), (10, 1834092), (12, 1528410), (13, 1410840), (15, 1222728), (18, 1018940), (20, 917046), (24, 764205), (26, 705420), (30, 611364), (36, 509470), (39, 470280), (40, 458523), (45, 407576), (52, 352710), (60, 305682), (65, 282168), (72, 254735), (78, 235140), (90, 203788), (104, 176355), (117, 156760), (120, 152841), (130, 141084), (156, 117570), (180, 101894), (195, 94056), (234, 78380), (260, 70542), (312, 58785), (360, 50947), (390, 47028), (468, 39190), (520, 35271), (585, 31352), (780, 23514), (936, 19595), (1170, 15676), (1560, 11757), (2340, 7838), (3919, 4680)]