251232720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19751}}^1$

素因数の和:19820

約数の個数: 80

約数和(自身を含む): 793556352

約数和(自身を除く): 542323632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720, 19751, 39502, 59253, 79004, 98755, 118506, 158008, 197510, 237012, 296265, 316016, 395020, 474024, 592530, 790040, 948048, 1046803, 1185060, 1580080, 2093606, 2370120, 3140409, 4187212, 4740240, 5234015, 6280818, 8374424, 10468030, 12561636, 15702045, 16748848, 20936060, 25123272, 31404090, 41872120, 50246544, 62808180, 83744240, 125616360, 251232720]

約数ペア:

[(1, 251232720), (2, 125616360), (3, 83744240), (4, 62808180), (5, 50246544), (6, 41872120), (8, 31404090), (10, 25123272), (12, 20936060), (15, 16748848), (16, 15702045), (20, 12561636), (24, 10468030), (30, 8374424), (40, 6280818), (48, 5234015), (53, 4740240), (60, 4187212), (80, 3140409), (106, 2370120), (120, 2093606), (159, 1580080), (212, 1185060), (240, 1046803), (265, 948048), (318, 790040), (424, 592530), (530, 474024), (636, 395020), (795, 316016), (848, 296265), (1060, 237012), (1272, 197510), (1590, 158008), (2120, 118506), (2544, 98755), (3180, 79004), (4240, 59253), (6360, 39502), (12720, 19751)]