128399280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5297}}^1$

素因数の和:5414

約数の個数: 80

約数和(自身を含む): 402054624

約数和(自身を除く): 273655344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 5297, 6060, 8080, 10594, 12120, 15891, 21188, 24240, 26485, 31782, 42376, 52970, 63564, 79455, 84752, 105940, 127128, 158910, 211880, 254256, 317820, 423760, 534997, 635640, 1069994, 1271280, 1604991, 2139988, 2674985, 3209982, 4279976, 5349970, 6419964, 8024955, 8559952, 10699940, 12839928, 16049910, 21399880, 25679856, 32099820, 42799760, 64199640, 128399280]

約数ペア:

[(1, 128399280), (2, 64199640), (3, 42799760), (4, 32099820), (5, 25679856), (6, 21399880), (8, 16049910), (10, 12839928), (12, 10699940), (15, 8559952), (16, 8024955), (20, 6419964), (24, 5349970), (30, 4279976), (40, 3209982), (48, 2674985), (60, 2139988), (80, 1604991), (101, 1271280), (120, 1069994), (202, 635640), (240, 534997), (303, 423760), (404, 317820), (505, 254256), (606, 211880), (808, 158910), (1010, 127128), (1212, 105940), (1515, 84752), (1616, 79455), (2020, 63564), (2424, 52970), (3030, 42376), (4040, 31782), (4848, 26485), (5297, 24240), (6060, 21188), (8080, 15891), (10594, 12120)]