87278640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11731}}^1$

素因数の和:11778

約数の個数: 80

約数和(自身を含む): 279315456

約数和(自身を除く): 192036816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 11731, 23462, 35193, 46924, 58655, 70386, 93848, 117310, 140772, 175965, 187696, 234620, 281544, 351930, 363661, 469240, 563088, 703860, 727322, 938480, 1090983, 1407720, 1454644, 1818305, 2181966, 2815440, 2909288, 3636610, 4363932, 5454915, 5818576, 7273220, 8727864, 10909830, 14546440, 17455728, 21819660, 29092880, 43639320, 87278640]

約数ペア:

[(1, 87278640), (2, 43639320), (3, 29092880), (4, 21819660), (5, 17455728), (6, 14546440), (8, 10909830), (10, 8727864), (12, 7273220), (15, 5818576), (16, 5454915), (20, 4363932), (24, 3636610), (30, 2909288), (31, 2815440), (40, 2181966), (48, 1818305), (60, 1454644), (62, 1407720), (80, 1090983), (93, 938480), (120, 727322), (124, 703860), (155, 563088), (186, 469240), (240, 363661), (248, 351930), (310, 281544), (372, 234620), (465, 187696), (496, 175965), (620, 140772), (744, 117310), (930, 93848), (1240, 70386), (1488, 58655), (1860, 46924), (2480, 35193), (3720, 23462), (7440, 11731)]