830492040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{988681}}^1$

素因数の和:988702

約数の個数: 64

約数和(自身を含む): 2847404160

約数和(自身を除く): 2016912120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 988681, 1977362, 2966043, 3954724, 4943405, 5932086, 6920767, 7909448, 9886810, 11864172, 13841534, 14830215, 19773620, 20762301, 23728344, 27683068, 29660430, 34603835, 39547240, 41524602, 55366136, 59320860, 69207670, 83049204, 103811505, 118641720, 138415340, 166098408, 207623010, 276830680, 415246020, 830492040]

約数ペア:

[(1, 830492040), (2, 415246020), (3, 276830680), (4, 207623010), (5, 166098408), (6, 138415340), (7, 118641720), (8, 103811505), (10, 83049204), (12, 69207670), (14, 59320860), (15, 55366136), (20, 41524602), (21, 39547240), (24, 34603835), (28, 29660430), (30, 27683068), (35, 23728344), (40, 20762301), (42, 19773620), (56, 14830215), (60, 13841534), (70, 11864172), (84, 9886810), (105, 7909448), (120, 6920767), (140, 5932086), (168, 4943405), (210, 3954724), (280, 2966043), (420, 1977362), (840, 988681)]