8188920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 28468440

約数和(自身を除く): 20279520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 60, 69, 72, 86, 90, 92, 115, 120, 129, 138, 172, 180, 184, 207, 215, 230, 258, 276, 344, 345, 360, 387, 414, 430, 460, 516, 529, 552, 645, 690, 774, 828, 860, 920, 989, 1032, 1035, 1058, 1290, 1380, 1548, 1587, 1656, 1720, 1935, 1978, 2070, 2116, 2580, 2645, 2760, 2967, 3096, 3174, 3870, 3956, 4140, 4232, 4761, 4945, 5160, 5290, 5934, 6348, 7740, 7912, 7935, 8280, 8901, 9522, 9890, 10580, 11868, 12696, 14835, 15480, 15870, 17802, 19044, 19780, 21160, 22747, 23736, 23805, 29670, 31740, 35604, 38088, 39560, 44505, 45494, 47610, 59340, 63480, 68241, 71208, 89010, 90988, 95220, 113735, 118680, 136482, 178020, 181976, 190440, 204723, 227470, 272964, 341205, 356040, 409446, 454940, 545928, 682410, 818892, 909880, 1023615, 1364820, 1637784, 2047230, 2729640, 4094460, 8188920]

約数ペア:

[(1, 8188920), (2, 4094460), (3, 2729640), (4, 2047230), (5, 1637784), (6, 1364820), (8, 1023615), (9, 909880), (10, 818892), (12, 682410), (15, 545928), (18, 454940), (20, 409446), (23, 356040), (24, 341205), (30, 272964), (36, 227470), (40, 204723), (43, 190440), (45, 181976), (46, 178020), (60, 136482), (69, 118680), (72, 113735), (86, 95220), (90, 90988), (92, 89010), (115, 71208), (120, 68241), (129, 63480), (138, 59340), (172, 47610), (180, 45494), (184, 44505), (207, 39560), (215, 38088), (230, 35604), (258, 31740), (276, 29670), (344, 23805), (345, 23736), (360, 22747), (387, 21160), (414, 19780), (430, 19044), (460, 17802), (516, 15870), (529, 15480), (552, 14835), (645, 12696), (690, 11868), (774, 10580), (828, 9890), (860, 9522), (920, 8901), (989, 8280), (1032, 7935), (1035, 7912), (1058, 7740), (1290, 6348), (1380, 5934), (1548, 5290), (1587, 5160), (1656, 4945), (1720, 4761), (1935, 4232), (1978, 4140), (2070, 3956), (2116, 3870), (2580, 3174), (2645, 3096), (2760, 2967)]