90702960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19891}}^1$

素因数の和:19926

約数の個数: 80

約数和(自身を含む): 295992960

約数和(自身を除く): 205290000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 19891, 39782, 59673, 79564, 99455, 119346, 159128, 198910, 238692, 298365, 318256, 377929, 397820, 477384, 596730, 755858, 795640, 954768, 1133787, 1193460, 1511716, 1591280, 1889645, 2267574, 2386920, 3023432, 3779290, 4535148, 4773840, 5668935, 6046864, 7558580, 9070296, 11337870, 15117160, 18140592, 22675740, 30234320, 45351480, 90702960]

約数ペア:

[(1, 90702960), (2, 45351480), (3, 30234320), (4, 22675740), (5, 18140592), (6, 15117160), (8, 11337870), (10, 9070296), (12, 7558580), (15, 6046864), (16, 5668935), (19, 4773840), (20, 4535148), (24, 3779290), (30, 3023432), (38, 2386920), (40, 2267574), (48, 1889645), (57, 1591280), (60, 1511716), (76, 1193460), (80, 1133787), (95, 954768), (114, 795640), (120, 755858), (152, 596730), (190, 477384), (228, 397820), (240, 377929), (285, 318256), (304, 298365), (380, 238692), (456, 198910), (570, 159128), (760, 119346), (912, 99455), (1140, 79564), (1520, 59673), (2280, 39782), (4560, 19891)]