81087960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39749}}^1$

素因数の和:39780

約数の個数: 64

約数和(自身を含む): 257580000

約数和(自身を除く): 176492040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 39749, 79498, 119247, 158996, 198745, 238494, 317992, 397490, 476988, 596235, 675733, 794980, 953976, 1192470, 1351466, 1589960, 2027199, 2384940, 2702932, 3378665, 4054398, 4769880, 5405864, 6757330, 8108796, 10135995, 13514660, 16217592, 20271990, 27029320, 40543980, 81087960]

約数ペア:

[(1, 81087960), (2, 40543980), (3, 27029320), (4, 20271990), (5, 16217592), (6, 13514660), (8, 10135995), (10, 8108796), (12, 6757330), (15, 5405864), (17, 4769880), (20, 4054398), (24, 3378665), (30, 2702932), (34, 2384940), (40, 2027199), (51, 1589960), (60, 1351466), (68, 1192470), (85, 953976), (102, 794980), (120, 675733), (136, 596235), (170, 476988), (204, 397490), (255, 317992), (340, 238494), (408, 198745), (510, 158996), (680, 119247), (1020, 79498), (2040, 39749)]