721760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 1841616

約数和(自身を除く): 1119856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 347, 416, 520, 694, 1040, 1388, 1735, 2080, 2776, 3470, 4511, 5552, 6940, 9022, 11104, 13880, 18044, 22555, 27760, 36088, 45110, 55520, 72176, 90220, 144352, 180440, 360880, 721760]

約数ペア:

[(1, 721760), (2, 360880), (4, 180440), (5, 144352), (8, 90220), (10, 72176), (13, 55520), (16, 45110), (20, 36088), (26, 27760), (32, 22555), (40, 18044), (52, 13880), (65, 11104), (80, 9022), (104, 6940), (130, 5552), (160, 4511), (208, 3470), (260, 2776), (347, 2080), (416, 1735), (520, 1388), (694, 1040)]