91157920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:630

約数の個数: 96

約数和(自身を含む): 247968000

約数和(自身を除く): 156810080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 199, 224, 280, 398, 409, 560, 796, 818, 995, 1120, 1393, 1592, 1636, 1990, 2045, 2786, 2863, 3184, 3272, 3980, 4090, 5572, 5726, 6368, 6544, 6965, 7960, 8180, 11144, 11452, 13088, 13930, 14315, 15920, 16360, 22288, 22904, 27860, 28630, 31840, 32720, 44576, 45808, 55720, 57260, 65440, 81391, 91616, 111440, 114520, 162782, 222880, 229040, 325564, 406955, 458080, 569737, 651128, 813910, 1139474, 1302256, 1627820, 2278948, 2604512, 2848685, 3255640, 4557896, 5697370, 6511280, 9115792, 11394740, 13022560, 18231584, 22789480, 45578960, 91157920]

約数ペア:

[(1, 91157920), (2, 45578960), (4, 22789480), (5, 18231584), (7, 13022560), (8, 11394740), (10, 9115792), (14, 6511280), (16, 5697370), (20, 4557896), (28, 3255640), (32, 2848685), (35, 2604512), (40, 2278948), (56, 1627820), (70, 1302256), (80, 1139474), (112, 813910), (140, 651128), (160, 569737), (199, 458080), (224, 406955), (280, 325564), (398, 229040), (409, 222880), (560, 162782), (796, 114520), (818, 111440), (995, 91616), (1120, 81391), (1393, 65440), (1592, 57260), (1636, 55720), (1990, 45808), (2045, 44576), (2786, 32720), (2863, 31840), (3184, 28630), (3272, 27860), (3980, 22904), (4090, 22288), (5572, 16360), (5726, 15920), (6368, 14315), (6544, 13930), (6965, 13088), (7960, 11452), (8180, 11144)]