18139080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 55209600

約数和(自身を除く): 37070520

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, 2129, 2130, 2840, 4258, 4260, 6387, 8516, 8520, 10645, 12774, 17032, 21290, 25548, 31935, 42580, 51096, 63870, 85160, 127740, 151159, 255480, 302318, 453477, 604636, 755795, 906954, 1209272, 1511590, 1813908, 2267385, 3023180, 3627816, 4534770, 6046360, 9069540, 18139080]

約数ペア:

[(1, 18139080), (2, 9069540), (3, 6046360), (4, 4534770), (5, 3627816), (6, 3023180), (8, 2267385), (10, 1813908), (12, 1511590), (15, 1209272), (20, 906954), (24, 755795), (30, 604636), (40, 453477), (60, 302318), (71, 255480), (120, 151159), (142, 127740), (213, 85160), (284, 63870), (355, 51096), (426, 42580), (568, 31935), (710, 25548), (852, 21290), (1065, 17032), (1420, 12774), (1704, 10645), (2129, 8520), (2130, 8516), (2840, 6387), (4258, 4260)]