321479080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{618229}}^1$

素因数の和:618253

約数の個数: 32

約数和(自身を含む): 778969800

約数和(自身を除く): 457490720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 618229, 1236458, 2472916, 3091145, 4945832, 6182290, 8036977, 12364580, 16073954, 24729160, 32147908, 40184885, 64295816, 80369770, 160739540, 321479080]

約数ペア:

[(1, 321479080), (2, 160739540), (4, 80369770), (5, 64295816), (8, 40184885), (10, 32147908), (13, 24729160), (20, 16073954), (26, 12364580), (40, 8036977), (52, 6182290), (65, 4945832), (104, 3091145), (130, 2472916), (260, 1236458), (520, 618229)]