1640941128

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{52879}}^1$

素因数の和:53322

約数の個数: 48

約数和(自身を含む): 4454611200

約数和(自身を除く): 2813670072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 862, 1293, 1724, 2586, 3448, 3879, 5172, 7758, 10344, 15516, 31032, 52879, 105758, 158637, 211516, 317274, 423032, 475911, 634548, 951822, 1269096, 1903644, 3807288, 22790849, 45581698, 68372547, 91163396, 136745094, 182326792, 205117641, 273490188, 410235282, 546980376, 820470564, 1640941128]

約数ペア:

[(1, 1640941128), (2, 820470564), (3, 546980376), (4, 410235282), (6, 273490188), (8, 205117641), (9, 182326792), (12, 136745094), (18, 91163396), (24, 68372547), (36, 45581698), (72, 22790849), (431, 3807288), (862, 1903644), (1293, 1269096), (1724, 951822), (2586, 634548), (3448, 475911), (3879, 423032), (5172, 317274), (7758, 211516), (10344, 158637), (15516, 105758), (31032, 52879)]