28107480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3299}}^1$

素因数の和:3384

約数の個数: 64

約数和(自身を含む): 85536000

約数和(自身を除く): 57428520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3299, 4260, 6598, 8520, 9897, 13196, 16495, 19794, 26392, 32990, 39588, 49485, 65980, 79176, 98970, 131960, 197940, 234229, 395880, 468458, 702687, 936916, 1171145, 1405374, 1873832, 2342290, 2810748, 3513435, 4684580, 5621496, 7026870, 9369160, 14053740, 28107480]

約数ペア:

[(1, 28107480), (2, 14053740), (3, 9369160), (4, 7026870), (5, 5621496), (6, 4684580), (8, 3513435), (10, 2810748), (12, 2342290), (15, 1873832), (20, 1405374), (24, 1171145), (30, 936916), (40, 702687), (60, 468458), (71, 395880), (120, 234229), (142, 197940), (213, 131960), (284, 98970), (355, 79176), (426, 65980), (568, 49485), (710, 39588), (852, 32990), (1065, 26392), (1420, 19794), (1704, 16495), (2130, 13196), (2840, 9897), (3299, 8520), (4260, 6598)]