28878570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2036

約数の個数: 96

約数和(自身を含む): 89586432

約数和(自身を除く): 60707862

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1610, 1993, 2070, 2415, 2898, 3986, 4830, 5979, 7245, 9965, 11958, 13951, 14490, 17937, 19930, 27902, 29895, 35874, 41853, 45839, 59790, 69755, 83706, 89685, 91678, 125559, 137517, 139510, 179370, 209265, 229195, 251118, 275034, 320873, 412551, 418530, 458390, 627795, 641746, 687585, 825102, 962619, 1255590, 1375170, 1604365, 1925238, 2062755, 2887857, 3208730, 4125510, 4813095, 5775714, 9626190, 14439285, 28878570]

約数ペア:

[(1, 28878570), (2, 14439285), (3, 9626190), (5, 5775714), (6, 4813095), (7, 4125510), (9, 3208730), (10, 2887857), (14, 2062755), (15, 1925238), (18, 1604365), (21, 1375170), (23, 1255590), (30, 962619), (35, 825102), (42, 687585), (45, 641746), (46, 627795), (63, 458390), (69, 418530), (70, 412551), (90, 320873), (105, 275034), (115, 251118), (126, 229195), (138, 209265), (161, 179370), (207, 139510), (210, 137517), (230, 125559), (315, 91678), (322, 89685), (345, 83706), (414, 69755), (483, 59790), (630, 45839), (690, 41853), (805, 35874), (966, 29895), (1035, 27902), (1449, 19930), (1610, 17937), (1993, 14490), (2070, 13951), (2415, 11958), (2898, 9965), (3986, 7245), (4830, 5979)]