645193656

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 1880718840

約数和(自身を除く): 1235525184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 101, 102, 136, 153, 202, 204, 289, 303, 306, 307, 404, 408, 578, 606, 612, 614, 808, 867, 909, 921, 1156, 1212, 1224, 1228, 1717, 1734, 1818, 1842, 2312, 2424, 2456, 2601, 2763, 3434, 3468, 3636, 3684, 5151, 5202, 5219, 5526, 6868, 6936, 7272, 7368, 10302, 10404, 10438, 11052, 13736, 15453, 15657, 20604, 20808, 20876, 22104, 29189, 30906, 31007, 31314, 41208, 41752, 46971, 58378, 61812, 62014, 62628, 87567, 88723, 93021, 93942, 116756, 123624, 124028, 125256, 175134, 177446, 186042, 187884, 233512, 248056, 262701, 266169, 279063, 350268, 354892, 372084, 375768, 525402, 527119, 532338, 558126, 700536, 709784, 744168, 798507, 1050804, 1054238, 1064676, 1116252, 1581357, 1597014, 2101608, 2108476, 2129352, 2232504, 3162714, 3194028, 4216952, 4744071, 6325428, 6388056, 8961023, 9488142, 12650856, 17922046, 18976284, 26883069, 35844092, 37952568, 53766138, 71688184, 80649207, 107532276, 161298414, 215064552, 322596828, 645193656]

約数ペア:

[(1, 645193656), (2, 322596828), (3, 215064552), (4, 161298414), (6, 107532276), (8, 80649207), (9, 71688184), (12, 53766138), (17, 37952568), (18, 35844092), (24, 26883069), (34, 18976284), (36, 17922046), (51, 12650856), (68, 9488142), (72, 8961023), (101, 6388056), (102, 6325428), (136, 4744071), (153, 4216952), (202, 3194028), (204, 3162714), (289, 2232504), (303, 2129352), (306, 2108476), (307, 2101608), (404, 1597014), (408, 1581357), (578, 1116252), (606, 1064676), (612, 1054238), (614, 1050804), (808, 798507), (867, 744168), (909, 709784), (921, 700536), (1156, 558126), (1212, 532338), (1224, 527119), (1228, 525402), (1717, 375768), (1734, 372084), (1818, 354892), (1842, 350268), (2312, 279063), (2424, 266169), (2456, 262701), (2601, 248056), (2763, 233512), (3434, 187884), (3468, 186042), (3636, 177446), (3684, 175134), (5151, 125256), (5202, 124028), (5219, 123624), (5526, 116756), (6868, 93942), (6936, 93021), (7272, 88723), (7368, 87567), (10302, 62628), (10404, 62014), (10438, 61812), (11052, 58378), (13736, 46971), (15453, 41752), (15657, 41208), (20604, 31314), (20808, 31007), (20876, 30906), (22104, 29189)]