138435960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88741}}^1$

素因数の和:88768

約数の個数: 64

約数和(自身を含む): 447259680

約数和(自身を除く): 308823720

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, 88741, 177482, 266223, 354964, 443705, 532446, 709928, 887410, 1064892, 1153633, 1331115, 1774820, 2129784, 2307266, 2662230, 3460899, 3549640, 4614532, 5324460, 5768165, 6921798, 9229064, 10648920, 11536330, 13843596, 17304495, 23072660, 27687192, 34608990, 46145320, 69217980, 138435960]

約数ペア:

[(1, 138435960), (2, 69217980), (3, 46145320), (4, 34608990), (5, 27687192), (6, 23072660), (8, 17304495), (10, 13843596), (12, 11536330), (13, 10648920), (15, 9229064), (20, 6921798), (24, 5768165), (26, 5324460), (30, 4614532), (39, 3549640), (40, 3460899), (52, 2662230), (60, 2307266), (65, 2129784), (78, 1774820), (104, 1331115), (120, 1153633), (130, 1064892), (156, 887410), (195, 709928), (260, 532446), (312, 443705), (390, 354964), (520, 266223), (780, 177482), (1560, 88741)]