156874120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301681}}^1$

素因数の和:301705

約数の個数: 32

約数和(自身を含む): 380119320

約数和(自身を除く): 223245200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 301681, 603362, 1206724, 1508405, 2413448, 3016810, 3921853, 6033620, 7843706, 12067240, 15687412, 19609265, 31374824, 39218530, 78437060, 156874120]

約数ペア:

[(1, 156874120), (2, 78437060), (4, 39218530), (5, 31374824), (8, 19609265), (10, 15687412), (13, 12067240), (20, 7843706), (26, 6033620), (40, 3921853), (52, 3016810), (65, 2413448), (104, 1508405), (130, 1206724), (260, 603362), (520, 301681)]