81299880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4331

約数の個数: 96

約数和(自身を含む): 269273160

約数和(自身を除く): 187973280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1272, 1590, 1908, 2120, 2385, 3180, 3816, 4261, 4770, 6360, 8522, 9540, 12783, 17044, 19080, 21305, 25566, 34088, 38349, 42610, 51132, 63915, 76698, 85220, 102264, 127830, 153396, 170440, 191745, 225833, 255660, 306792, 383490, 451666, 511320, 677499, 766980, 903332, 1129165, 1354998, 1533960, 1806664, 2032497, 2258330, 2709996, 3387495, 4064994, 4516660, 5419992, 6774990, 8129988, 9033320, 10162485, 13549980, 16259976, 20324970, 27099960, 40649940, 81299880]

約数ペア:

[(1, 81299880), (2, 40649940), (3, 27099960), (4, 20324970), (5, 16259976), (6, 13549980), (8, 10162485), (9, 9033320), (10, 8129988), (12, 6774990), (15, 5419992), (18, 4516660), (20, 4064994), (24, 3387495), (30, 2709996), (36, 2258330), (40, 2032497), (45, 1806664), (53, 1533960), (60, 1354998), (72, 1129165), (90, 903332), (106, 766980), (120, 677499), (159, 511320), (180, 451666), (212, 383490), (265, 306792), (318, 255660), (360, 225833), (424, 191745), (477, 170440), (530, 153396), (636, 127830), (795, 102264), (954, 85220), (1060, 76698), (1272, 63915), (1590, 51132), (1908, 42610), (2120, 38349), (2385, 34088), (3180, 25566), (3816, 21305), (4261, 19080), (4770, 17044), (6360, 12783), (8522, 9540)]