640464120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104651}}^1$

素因数の和:104685

約数の個数: 96

約数和(自身を含む): 2203971120

約数和(自身を除く): 1563507000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 104651, 209302, 313953, 418604, 523255, 627906, 837208, 941859, 1046510, 1255812, 1569765, 1779067, 1883718, 2093020, 2511624, 3139530, 3558134, 3767436, 4186040, 4709295, 5337201, 6279060, 7116268, 7534872, 8895335, 9418590, 10674402, 12558120, 14232536, 16011603, 17790670, 18837180, 21348804, 26686005, 32023206, 35581340, 37674360, 42697608, 53372010, 64046412, 71162680, 80058015, 106744020, 128092824, 160116030, 213488040, 320232060, 640464120]

約数ペア:

[(1, 640464120), (2, 320232060), (3, 213488040), (4, 160116030), (5, 128092824), (6, 106744020), (8, 80058015), (9, 71162680), (10, 64046412), (12, 53372010), (15, 42697608), (17, 37674360), (18, 35581340), (20, 32023206), (24, 26686005), (30, 21348804), (34, 18837180), (36, 17790670), (40, 16011603), (45, 14232536), (51, 12558120), (60, 10674402), (68, 9418590), (72, 8895335), (85, 7534872), (90, 7116268), (102, 6279060), (120, 5337201), (136, 4709295), (153, 4186040), (170, 3767436), (180, 3558134), (204, 3139530), (255, 2511624), (306, 2093020), (340, 1883718), (360, 1779067), (408, 1569765), (510, 1255812), (612, 1046510), (680, 941859), (765, 837208), (1020, 627906), (1224, 523255), (1530, 418604), (2040, 313953), (3060, 209302), (6120, 104651)]