320649240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157181}}^1$

素因数の和:157212

約数の個数: 64

約数和(自身を含む): 1018539360

約数和(自身を除く): 697890120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 157181, 314362, 471543, 628724, 785905, 943086, 1257448, 1571810, 1886172, 2357715, 2672077, 3143620, 3772344, 4715430, 5344154, 6287240, 8016231, 9430860, 10688308, 13360385, 16032462, 18861720, 21376616, 26720770, 32064924, 40081155, 53441540, 64129848, 80162310, 106883080, 160324620, 320649240]

約数ペア:

[(1, 320649240), (2, 160324620), (3, 106883080), (4, 80162310), (5, 64129848), (6, 53441540), (8, 40081155), (10, 32064924), (12, 26720770), (15, 21376616), (17, 18861720), (20, 16032462), (24, 13360385), (30, 10688308), (34, 9430860), (40, 8016231), (51, 6287240), (60, 5344154), (68, 4715430), (85, 3772344), (102, 3143620), (120, 2672077), (136, 2357715), (170, 1886172), (204, 1571810), (255, 1257448), (340, 943086), (408, 785905), (510, 628724), (680, 471543), (1020, 314362), (2040, 157181)]