205104120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131477}}^1$

素因数の和:131504

約数の個数: 64

約数和(自身を含む): 662649120

約数和(自身を除く): 457545000

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, 131477, 262954, 394431, 525908, 657385, 788862, 1051816, 1314770, 1577724, 1709201, 1972155, 2629540, 3155448, 3418402, 3944310, 5127603, 5259080, 6836804, 7888620, 8546005, 10255206, 13673608, 15777240, 17092010, 20510412, 25638015, 34184020, 41020824, 51276030, 68368040, 102552060, 205104120]

約数ペア:

[(1, 205104120), (2, 102552060), (3, 68368040), (4, 51276030), (5, 41020824), (6, 34184020), (8, 25638015), (10, 20510412), (12, 17092010), (13, 15777240), (15, 13673608), (20, 10255206), (24, 8546005), (26, 7888620), (30, 6836804), (39, 5259080), (40, 5127603), (52, 3944310), (60, 3418402), (65, 3155448), (78, 2629540), (104, 1972155), (120, 1709201), (130, 1577724), (156, 1314770), (195, 1051816), (260, 788862), (312, 657385), (390, 525908), (520, 394431), (780, 262954), (1560, 131477)]