28203960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3853}}^1$

素因数の和:3928

約数の個数: 64

約数和(自身を含む): 86021280

約数和(自身を除く): 57817320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 3853, 7320, 7706, 11559, 15412, 19265, 23118, 30824, 38530, 46236, 57795, 77060, 92472, 115590, 154120, 231180, 235033, 462360, 470066, 705099, 940132, 1175165, 1410198, 1880264, 2350330, 2820396, 3525495, 4700660, 5640792, 7050990, 9401320, 14101980, 28203960]

約数ペア:

[(1, 28203960), (2, 14101980), (3, 9401320), (4, 7050990), (5, 5640792), (6, 4700660), (8, 3525495), (10, 2820396), (12, 2350330), (15, 1880264), (20, 1410198), (24, 1175165), (30, 940132), (40, 705099), (60, 470066), (61, 462360), (120, 235033), (122, 231180), (183, 154120), (244, 115590), (305, 92472), (366, 77060), (488, 57795), (610, 46236), (732, 38530), (915, 30824), (1220, 23118), (1464, 19265), (1830, 15412), (2440, 11559), (3660, 7706), (3853, 7320)]