221279280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31793}}^1$

素因数の和:31838

約数の個数: 80

約数和(自身を含む): 709642080

約数和(自身を除く): 488362800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 31793, 63586, 95379, 127172, 158965, 190758, 254344, 317930, 381516, 476895, 508688, 635860, 763032, 921997, 953790, 1271720, 1526064, 1843994, 1907580, 2543440, 2765991, 3687988, 3815160, 4609985, 5531982, 7375976, 7630320, 9219970, 11063964, 13829955, 14751952, 18439940, 22127928, 27659910, 36879880, 44255856, 55319820, 73759760, 110639640, 221279280]

約数ペア:

[(1, 221279280), (2, 110639640), (3, 73759760), (4, 55319820), (5, 44255856), (6, 36879880), (8, 27659910), (10, 22127928), (12, 18439940), (15, 14751952), (16, 13829955), (20, 11063964), (24, 9219970), (29, 7630320), (30, 7375976), (40, 5531982), (48, 4609985), (58, 3815160), (60, 3687988), (80, 2765991), (87, 2543440), (116, 1907580), (120, 1843994), (145, 1526064), (174, 1271720), (232, 953790), (240, 921997), (290, 763032), (348, 635860), (435, 508688), (464, 476895), (580, 381516), (696, 317930), (870, 254344), (1160, 190758), (1392, 158965), (1740, 127172), (2320, 95379), (3480, 63586), (6960, 31793)]