661065660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 2066448384

約数和(自身を除く): 1405382724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 223, 258, 383, 387, 430, 446, 516, 645, 669, 766, 774, 860, 892, 1115, 1149, 1290, 1338, 1532, 1548, 1915, 1935, 2007, 2230, 2298, 2580, 2676, 3345, 3447, 3830, 3870, 4014, 4460, 4596, 5745, 6690, 6894, 7660, 7740, 8028, 9589, 10035, 11490, 13380, 13788, 16469, 17235, 19178, 20070, 22980, 28767, 32938, 34470, 38356, 40140, 47945, 49407, 57534, 65876, 68940, 82345, 85409, 86301, 95890, 98814, 115068, 143835, 148221, 164690, 170818, 172602, 191780, 197628, 247035, 256227, 287670, 296442, 329380, 341636, 345204, 427045, 431505, 494070, 512454, 575340, 592884, 741105, 768681, 854090, 863010, 988140, 1024908, 1281135, 1482210, 1537362, 1708180, 1726020, 2562270, 2964420, 3074724, 3672587, 3843405, 5124540, 7345174, 7686810, 11017761, 14690348, 15373620, 18362935, 22035522, 33053283, 36725870, 44071044, 55088805, 66106566, 73451740, 110177610, 132213132, 165266415, 220355220, 330532830, 661065660]

約数ペア:

[(1, 661065660), (2, 330532830), (3, 220355220), (4, 165266415), (5, 132213132), (6, 110177610), (9, 73451740), (10, 66106566), (12, 55088805), (15, 44071044), (18, 36725870), (20, 33053283), (30, 22035522), (36, 18362935), (43, 15373620), (45, 14690348), (60, 11017761), (86, 7686810), (90, 7345174), (129, 5124540), (172, 3843405), (180, 3672587), (215, 3074724), (223, 2964420), (258, 2562270), (383, 1726020), (387, 1708180), (430, 1537362), (446, 1482210), (516, 1281135), (645, 1024908), (669, 988140), (766, 863010), (774, 854090), (860, 768681), (892, 741105), (1115, 592884), (1149, 575340), (1290, 512454), (1338, 494070), (1532, 431505), (1548, 427045), (1915, 345204), (1935, 341636), (2007, 329380), (2230, 296442), (2298, 287670), (2580, 256227), (2676, 247035), (3345, 197628), (3447, 191780), (3830, 172602), (3870, 170818), (4014, 164690), (4460, 148221), (4596, 143835), (5745, 115068), (6690, 98814), (6894, 95890), (7660, 86301), (7740, 85409), (8028, 82345), (9589, 68940), (10035, 65876), (11490, 57534), (13380, 49407), (13788, 47945), (16469, 40140), (17235, 38356), (19178, 34470), (20070, 32938), (22980, 28767)]