280367640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1662

約数の個数: 192

約数和(自身を含む): 1056706560

約数和(自身を除く): 776338920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1260, 1278, 1420, 1491, 1567, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3134, 3195, 3976, 4260, 4473, 4701, 4970, 5112, 5964, 6268, 6390, 7455, 7835, 8520, 8946, 9402, 9940, 10969, 11928, 12536, 12780, 14103, 14910, 15670, 17892, 18804, 19880, 21938, 22365, 23505, 25560, 28206, 29820, 31340, 32907, 35784, 37608, 43876, 44730, 47010, 54845, 56412, 59640, 62680, 65814, 70515, 87752, 89460, 94020, 98721, 109690, 111257, 112824, 131628, 141030, 164535, 178920, 188040, 197442, 219380, 222514, 263256, 282060, 329070, 333771, 394884, 438760, 445028, 493605, 556285, 564120, 658140, 667542, 778799, 789768, 890056, 987210, 1001313, 1112570, 1316280, 1335084, 1557598, 1668855, 1974420, 2002626, 2225140, 2336397, 2670168, 3115196, 3337710, 3893995, 3948840, 4005252, 4450280, 4672794, 5006565, 6230392, 6675420, 7009191, 7787990, 8010504, 9345588, 10013130, 11681985, 13350840, 14018382, 15575980, 18691176, 20026260, 23363970, 28036764, 31151960, 35045955, 40052520, 46727940, 56073528, 70091910, 93455880, 140183820, 280367640]

約数ペア:

[(1, 280367640), (2, 140183820), (3, 93455880), (4, 70091910), (5, 56073528), (6, 46727940), (7, 40052520), (8, 35045955), (9, 31151960), (10, 28036764), (12, 23363970), (14, 20026260), (15, 18691176), (18, 15575980), (20, 14018382), (21, 13350840), (24, 11681985), (28, 10013130), (30, 9345588), (35, 8010504), (36, 7787990), (40, 7009191), (42, 6675420), (45, 6230392), (56, 5006565), (60, 4672794), (63, 4450280), (70, 4005252), (71, 3948840), (72, 3893995), (84, 3337710), (90, 3115196), (105, 2670168), (120, 2336397), (126, 2225140), (140, 2002626), (142, 1974420), (168, 1668855), (180, 1557598), (210, 1335084), (213, 1316280), (252, 1112570), (280, 1001313), (284, 987210), (315, 890056), (355, 789768), (360, 778799), (420, 667542), (426, 658140), (497, 564120), (504, 556285), (568, 493605), (630, 445028), (639, 438760), (710, 394884), (840, 333771), (852, 329070), (994, 282060), (1065, 263256), (1260, 222514), (1278, 219380), (1420, 197442), (1491, 188040), (1567, 178920), (1704, 164535), (1988, 141030), (2130, 131628), (2485, 112824), (2520, 111257), (2556, 109690), (2840, 98721), (2982, 94020), (3134, 89460), (3195, 87752), (3976, 70515), (4260, 65814), (4473, 62680), (4701, 59640), (4970, 56412), (5112, 54845), (5964, 47010), (6268, 44730), (6390, 43876), (7455, 37608), (7835, 35784), (8520, 32907), (8946, 31340), (9402, 29820), (9940, 28206), (10969, 25560), (11928, 23505), (12536, 22365), (12780, 21938), (14103, 19880), (14910, 18804), (15670, 17892)]