87796080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 120

約数和(自身を含む): 299832000

約数和(自身を除く): 212035920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 1999, 2196, 2440, 2745, 2928, 3660, 3998, 4392, 4880, 5490, 5997, 7320, 7996, 8784, 9995, 10980, 11994, 14640, 15992, 17991, 19990, 21960, 23988, 29985, 31984, 35982, 39980, 43920, 47976, 59970, 71964, 79960, 89955, 95952, 119940, 121939, 143928, 159920, 179910, 239880, 243878, 287856, 359820, 365817, 479760, 487756, 609695, 719640, 731634, 975512, 1097451, 1219390, 1439280, 1463268, 1829085, 1951024, 2194902, 2438780, 2926536, 3658170, 4389804, 4877560, 5487255, 5853072, 7316340, 8779608, 9755120, 10974510, 14632680, 17559216, 21949020, 29265360, 43898040, 87796080]

約数ペア:

[(1, 87796080), (2, 43898040), (3, 29265360), (4, 21949020), (5, 17559216), (6, 14632680), (8, 10974510), (9, 9755120), (10, 8779608), (12, 7316340), (15, 5853072), (16, 5487255), (18, 4877560), (20, 4389804), (24, 3658170), (30, 2926536), (36, 2438780), (40, 2194902), (45, 1951024), (48, 1829085), (60, 1463268), (61, 1439280), (72, 1219390), (80, 1097451), (90, 975512), (120, 731634), (122, 719640), (144, 609695), (180, 487756), (183, 479760), (240, 365817), (244, 359820), (305, 287856), (360, 243878), (366, 239880), (488, 179910), (549, 159920), (610, 143928), (720, 121939), (732, 119940), (915, 95952), (976, 89955), (1098, 79960), (1220, 71964), (1464, 59970), (1830, 47976), (1999, 43920), (2196, 39980), (2440, 35982), (2745, 31984), (2928, 29985), (3660, 23988), (3998, 21960), (4392, 19990), (4880, 17991), (5490, 15992), (5997, 14640), (7320, 11994), (7996, 10980), (8784, 9995)]