270061640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{110681}}^1$

素因数の和:110753

約数の個数: 32

約数和(自身を含む): 617605560

約数和(自身を除く): 347543920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 110681, 221362, 442724, 553405, 885448, 1106810, 2213620, 4427240, 6751541, 13503082, 27006164, 33757705, 54012328, 67515410, 135030820, 270061640]

約数ペア:

[(1, 270061640), (2, 135030820), (4, 67515410), (5, 54012328), (8, 33757705), (10, 27006164), (20, 13503082), (40, 6751541), (61, 4427240), (122, 2213620), (244, 1106810), (305, 885448), (488, 553405), (610, 442724), (1220, 221362), (2440, 110681)]