8881680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1648

約数の個数: 80

約数和(自身を含む): 28748160

約数和(自身を除く): 19866480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1609, 1840, 2760, 3218, 4827, 5520, 6436, 8045, 9654, 12872, 16090, 19308, 24135, 25744, 32180, 37007, 38616, 48270, 64360, 74014, 77232, 96540, 111021, 128720, 148028, 185035, 193080, 222042, 296056, 370070, 386160, 444084, 555105, 592112, 740140, 888168, 1110210, 1480280, 1776336, 2220420, 2960560, 4440840, 8881680]

約数ペア:

[(1, 8881680), (2, 4440840), (3, 2960560), (4, 2220420), (5, 1776336), (6, 1480280), (8, 1110210), (10, 888168), (12, 740140), (15, 592112), (16, 555105), (20, 444084), (23, 386160), (24, 370070), (30, 296056), (40, 222042), (46, 193080), (48, 185035), (60, 148028), (69, 128720), (80, 111021), (92, 96540), (115, 77232), (120, 74014), (138, 64360), (184, 48270), (230, 38616), (240, 37007), (276, 32180), (345, 25744), (368, 24135), (460, 19308), (552, 16090), (690, 12872), (920, 9654), (1104, 8045), (1380, 6436), (1609, 5520), (1840, 4827), (2760, 3218)]