320484320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154079}}^1$

素因数の和:154107

約数の個数: 48

約数和(自身を含む): 815391360

約数和(自身を除く): 494907040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 154079, 308158, 616316, 770395, 1232632, 1540790, 2003027, 2465264, 3081580, 4006054, 4930528, 6163160, 8012108, 10015135, 12326320, 16024216, 20030270, 24652640, 32048432, 40060540, 64096864, 80121080, 160242160, 320484320]

約数ペア:

[(1, 320484320), (2, 160242160), (4, 80121080), (5, 64096864), (8, 40060540), (10, 32048432), (13, 24652640), (16, 20030270), (20, 16024216), (26, 12326320), (32, 10015135), (40, 8012108), (52, 6163160), (65, 4930528), (80, 4006054), (104, 3081580), (130, 2465264), (160, 2003027), (208, 1540790), (260, 1232632), (416, 770395), (520, 616316), (1040, 308158), (2080, 154079)]