18281640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11719}}^1$

素因数の和:11746

約数の個数: 64

約数和(自身を含む): 59068800

約数和(自身を除く): 40787160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11719, 23438, 35157, 46876, 58595, 70314, 93752, 117190, 140628, 152347, 175785, 234380, 281256, 304694, 351570, 457041, 468760, 609388, 703140, 761735, 914082, 1218776, 1406280, 1523470, 1828164, 2285205, 3046940, 3656328, 4570410, 6093880, 9140820, 18281640]

約数ペア:

[(1, 18281640), (2, 9140820), (3, 6093880), (4, 4570410), (5, 3656328), (6, 3046940), (8, 2285205), (10, 1828164), (12, 1523470), (13, 1406280), (15, 1218776), (20, 914082), (24, 761735), (26, 703140), (30, 609388), (39, 468760), (40, 457041), (52, 351570), (60, 304694), (65, 281256), (78, 234380), (104, 175785), (120, 152347), (130, 140628), (156, 117190), (195, 93752), (260, 70314), (312, 58595), (390, 46876), (520, 35157), (780, 23438), (1560, 11719)]