87715920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21499}}^1$

素因数の和:21532

約数の個数: 80

約数和(自身を含む): 287928000

約数和(自身を除く): 200212080

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, 2040, 4080, 21499, 42998, 64497, 85996, 107495, 128994, 171992, 214990, 257988, 322485, 343984, 365483, 429980, 515976, 644970, 730966, 859960, 1031952, 1096449, 1289940, 1461932, 1719920, 1827415, 2192898, 2579880, 2923864, 3654830, 4385796, 5159760, 5482245, 5847728, 7309660, 8771592, 10964490, 14619320, 17543184, 21928980, 29238640, 43857960, 87715920]

約数ペア:

[(1, 87715920), (2, 43857960), (3, 29238640), (4, 21928980), (5, 17543184), (6, 14619320), (8, 10964490), (10, 8771592), (12, 7309660), (15, 5847728), (16, 5482245), (17, 5159760), (20, 4385796), (24, 3654830), (30, 2923864), (34, 2579880), (40, 2192898), (48, 1827415), (51, 1719920), (60, 1461932), (68, 1289940), (80, 1096449), (85, 1031952), (102, 859960), (120, 730966), (136, 644970), (170, 515976), (204, 429980), (240, 365483), (255, 343984), (272, 322485), (340, 257988), (408, 214990), (510, 171992), (680, 128994), (816, 107495), (1020, 85996), (1360, 64497), (2040, 42998), (4080, 21499)]