202118040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{561439}}^1$

素因数の和:561456

約数の個数: 48

約数和(自身を含む): 656884800

約数和(自身を除く): 454766760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 561439, 1122878, 1684317, 2245756, 2807195, 3368634, 4491512, 5052951, 5614390, 6737268, 8421585, 10105902, 11228780, 13474536, 16843170, 20211804, 22457560, 25264755, 33686340, 40423608, 50529510, 67372680, 101059020, 202118040]

約数ペア:

[(1, 202118040), (2, 101059020), (3, 67372680), (4, 50529510), (5, 40423608), (6, 33686340), (8, 25264755), (9, 22457560), (10, 20211804), (12, 16843170), (15, 13474536), (18, 11228780), (20, 10105902), (24, 8421585), (30, 6737268), (36, 5614390), (40, 5052951), (45, 4491512), (60, 3368634), (72, 2807195), (90, 2245756), (120, 1684317), (180, 1122878), (360, 561439)]