80786640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 160

約数和(自身を含む): 277696512

約数和(自身を除く): 196909872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 176, 213, 220, 240, 264, 284, 330, 355, 426, 431, 440, 528, 568, 660, 710, 781, 852, 862, 880, 1065, 1136, 1293, 1320, 1420, 1562, 1704, 1724, 2130, 2155, 2343, 2586, 2640, 2840, 3124, 3408, 3448, 3905, 4260, 4310, 4686, 4741, 5172, 5680, 6248, 6465, 6896, 7810, 8520, 8620, 9372, 9482, 10344, 11715, 12496, 12930, 14223, 15620, 17040, 17240, 18744, 18964, 20688, 23430, 23705, 25860, 28446, 30601, 31240, 34480, 37488, 37928, 46860, 47410, 51720, 56892, 61202, 62480, 71115, 75856, 91803, 93720, 94820, 103440, 113784, 122404, 142230, 153005, 183606, 187440, 189640, 227568, 244808, 284460, 306010, 336611, 367212, 379280, 459015, 489616, 568920, 612020, 673222, 734424, 918030, 1009833, 1137840, 1224040, 1346444, 1468848, 1683055, 1836060, 2019666, 2448080, 2692888, 3366110, 3672120, 4039332, 5049165, 5385776, 6732220, 7344240, 8078664, 10098330, 13464440, 16157328, 20196660, 26928880, 40393320, 80786640]

約数ペア:

[(1, 80786640), (2, 40393320), (3, 26928880), (4, 20196660), (5, 16157328), (6, 13464440), (8, 10098330), (10, 8078664), (11, 7344240), (12, 6732220), (15, 5385776), (16, 5049165), (20, 4039332), (22, 3672120), (24, 3366110), (30, 2692888), (33, 2448080), (40, 2019666), (44, 1836060), (48, 1683055), (55, 1468848), (60, 1346444), (66, 1224040), (71, 1137840), (80, 1009833), (88, 918030), (110, 734424), (120, 673222), (132, 612020), (142, 568920), (165, 489616), (176, 459015), (213, 379280), (220, 367212), (240, 336611), (264, 306010), (284, 284460), (330, 244808), (355, 227568), (426, 189640), (431, 187440), (440, 183606), (528, 153005), (568, 142230), (660, 122404), (710, 113784), (781, 103440), (852, 94820), (862, 93720), (880, 91803), (1065, 75856), (1136, 71115), (1293, 62480), (1320, 61202), (1420, 56892), (1562, 51720), (1704, 47410), (1724, 46860), (2130, 37928), (2155, 37488), (2343, 34480), (2586, 31240), (2640, 30601), (2840, 28446), (3124, 25860), (3408, 23705), (3448, 23430), (3905, 20688), (4260, 18964), (4310, 18744), (4686, 17240), (4741, 17040), (5172, 15620), (5680, 14223), (6248, 12930), (6465, 12496), (6896, 11715), (7810, 10344), (8520, 9482), (8620, 9372)]