1821765840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{244861}}^1$

素因数の和:244908

約数の個数: 80

約数和(自身を含む): 5829674496

約数和(自身を除く): 4007908656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 244861, 489722, 734583, 979444, 1224305, 1469166, 1958888, 2448610, 2938332, 3672915, 3917776, 4897220, 5876664, 7345830, 7590691, 9794440, 11753328, 14691660, 15181382, 19588880, 22772073, 29383320, 30362764, 37953455, 45544146, 58766640, 60725528, 75906910, 91088292, 113860365, 121451056, 151813820, 182176584, 227720730, 303627640, 364353168, 455441460, 607255280, 910882920, 1821765840]

約数ペア:

[(1, 1821765840), (2, 910882920), (3, 607255280), (4, 455441460), (5, 364353168), (6, 303627640), (8, 227720730), (10, 182176584), (12, 151813820), (15, 121451056), (16, 113860365), (20, 91088292), (24, 75906910), (30, 60725528), (31, 58766640), (40, 45544146), (48, 37953455), (60, 30362764), (62, 29383320), (80, 22772073), (93, 19588880), (120, 15181382), (124, 14691660), (155, 11753328), (186, 9794440), (240, 7590691), (248, 7345830), (310, 5876664), (372, 4897220), (465, 3917776), (496, 3672915), (620, 2938332), (744, 2448610), (930, 1958888), (1240, 1469166), (1488, 1224305), (1860, 979444), (2480, 734583), (3720, 489722), (7440, 244861)]