251998920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 192

約数和(自身を含む): 853332480

約数和(自身を除く): 601333560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 73, 86, 90, 120, 129, 146, 172, 180, 215, 219, 223, 258, 292, 344, 360, 365, 387, 430, 438, 446, 516, 584, 645, 657, 669, 730, 774, 860, 876, 892, 1032, 1095, 1115, 1290, 1314, 1338, 1460, 1548, 1720, 1752, 1784, 1935, 2007, 2190, 2230, 2580, 2628, 2676, 2920, 3096, 3139, 3285, 3345, 3870, 4014, 4380, 4460, 5160, 5256, 5352, 6278, 6570, 6690, 7740, 8028, 8760, 8920, 9417, 9589, 10035, 12556, 13140, 13380, 15480, 15695, 16056, 16279, 18834, 19178, 20070, 25112, 26280, 26760, 28251, 28767, 31390, 32558, 37668, 38356, 40140, 47085, 47945, 48837, 56502, 57534, 62780, 65116, 75336, 76712, 80280, 81395, 86301, 94170, 95890, 97674, 113004, 115068, 125560, 130232, 141255, 143835, 146511, 162790, 172602, 188340, 191780, 195348, 226008, 230136, 244185, 282510, 287670, 293022, 325580, 345204, 376680, 383560, 390696, 431505, 488370, 565020, 575340, 586044, 651160, 690408, 699997, 732555, 863010, 976740, 1130040, 1150680, 1172088, 1399994, 1465110, 1726020, 1953480, 2099991, 2799988, 2930220, 3452040, 3499985, 4199982, 5599976, 5860440, 6299973, 6999970, 8399964, 10499955, 12599946, 13999940, 16799928, 20999910, 25199892, 27999880, 31499865, 41999820, 50399784, 62999730, 83999640, 125999460, 251998920]

約数ペア:

[(1, 251998920), (2, 125999460), (3, 83999640), (4, 62999730), (5, 50399784), (6, 41999820), (8, 31499865), (9, 27999880), (10, 25199892), (12, 20999910), (15, 16799928), (18, 13999940), (20, 12599946), (24, 10499955), (30, 8399964), (36, 6999970), (40, 6299973), (43, 5860440), (45, 5599976), (60, 4199982), (72, 3499985), (73, 3452040), (86, 2930220), (90, 2799988), (120, 2099991), (129, 1953480), (146, 1726020), (172, 1465110), (180, 1399994), (215, 1172088), (219, 1150680), (223, 1130040), (258, 976740), (292, 863010), (344, 732555), (360, 699997), (365, 690408), (387, 651160), (430, 586044), (438, 575340), (446, 565020), (516, 488370), (584, 431505), (645, 390696), (657, 383560), (669, 376680), (730, 345204), (774, 325580), (860, 293022), (876, 287670), (892, 282510), (1032, 244185), (1095, 230136), (1115, 226008), (1290, 195348), (1314, 191780), (1338, 188340), (1460, 172602), (1548, 162790), (1720, 146511), (1752, 143835), (1784, 141255), (1935, 130232), (2007, 125560), (2190, 115068), (2230, 113004), (2580, 97674), (2628, 95890), (2676, 94170), (2920, 86301), (3096, 81395), (3139, 80280), (3285, 76712), (3345, 75336), (3870, 65116), (4014, 62780), (4380, 57534), (4460, 56502), (5160, 48837), (5256, 47945), (5352, 47085), (6278, 40140), (6570, 38356), (6690, 37668), (7740, 32558), (8028, 31390), (8760, 28767), (8920, 28251), (9417, 26760), (9589, 26280), (10035, 25112), (12556, 20070), (13140, 19178), (13380, 18834), (15480, 16279), (15695, 16056)]