201510520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 481917600

約数和(自身を除く): 280407080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 401, 680, 739, 802, 1478, 1604, 2005, 2956, 3208, 3695, 4010, 5912, 6817, 7390, 8020, 12563, 13634, 14780, 16040, 25126, 27268, 29560, 34085, 50252, 54536, 62815, 68170, 100504, 125630, 136340, 251260, 272680, 296339, 502520, 592678, 1185356, 1481695, 2370712, 2963390, 5037763, 5926780, 10075526, 11853560, 20151052, 25188815, 40302104, 50377630, 100755260, 201510520]

約数ペア:

[(1, 201510520), (2, 100755260), (4, 50377630), (5, 40302104), (8, 25188815), (10, 20151052), (17, 11853560), (20, 10075526), (34, 5926780), (40, 5037763), (68, 2963390), (85, 2370712), (136, 1481695), (170, 1185356), (340, 592678), (401, 502520), (680, 296339), (739, 272680), (802, 251260), (1478, 136340), (1604, 125630), (2005, 100504), (2956, 68170), (3208, 62815), (3695, 54536), (4010, 50252), (5912, 34085), (6817, 29560), (7390, 27268), (8020, 25126), (12563, 16040), (13634, 14780)]