8155920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2032

約数の個数: 80

約数和(自身を含む): 26784000

約数和(自身を除く): 18628080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 1999, 2040, 3998, 4080, 5997, 7996, 9995, 11994, 15992, 19990, 23988, 29985, 31984, 33983, 39980, 47976, 59970, 67966, 79960, 95952, 101949, 119940, 135932, 159920, 169915, 203898, 239880, 271864, 339830, 407796, 479760, 509745, 543728, 679660, 815592, 1019490, 1359320, 1631184, 2038980, 2718640, 4077960, 8155920]

約数ペア:

[(1, 8155920), (2, 4077960), (3, 2718640), (4, 2038980), (5, 1631184), (6, 1359320), (8, 1019490), (10, 815592), (12, 679660), (15, 543728), (16, 509745), (17, 479760), (20, 407796), (24, 339830), (30, 271864), (34, 239880), (40, 203898), (48, 169915), (51, 159920), (60, 135932), (68, 119940), (80, 101949), (85, 95952), (102, 79960), (120, 67966), (136, 59970), (170, 47976), (204, 39980), (240, 33983), (255, 31984), (272, 29985), (340, 23988), (408, 19990), (510, 15992), (680, 11994), (816, 9995), (1020, 7996), (1360, 5997), (1999, 4080), (2040, 3998)]