81465080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1213}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 194045760

約数和(自身を除く): 112580680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 920, 1213, 1460, 1679, 2426, 2920, 3358, 4852, 6065, 6716, 8395, 9704, 12130, 13432, 16790, 24260, 27899, 33580, 48520, 55798, 67160, 88549, 111596, 139495, 177098, 223192, 278990, 354196, 442745, 557980, 708392, 885490, 1115960, 1770980, 2036627, 3541960, 4073254, 8146508, 10183135, 16293016, 20366270, 40732540, 81465080]

約数ペア:

[(1, 81465080), (2, 40732540), (4, 20366270), (5, 16293016), (8, 10183135), (10, 8146508), (20, 4073254), (23, 3541960), (40, 2036627), (46, 1770980), (73, 1115960), (92, 885490), (115, 708392), (146, 557980), (184, 442745), (230, 354196), (292, 278990), (365, 223192), (460, 177098), (584, 139495), (730, 111596), (920, 88549), (1213, 67160), (1460, 55798), (1679, 48520), (2426, 33580), (2920, 27899), (3358, 24260), (4852, 16790), (6065, 13432), (6716, 12130), (8395, 9704)]