2861640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{7949}}^1$

素因数の和:7966

約数の個数: 48

約数和(自身を含む): 9301500

約数和(自身を除く): 6439860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 7949, 15898, 23847, 31796, 39745, 47694, 63592, 71541, 79490, 95388, 119235, 143082, 158980, 190776, 238470, 286164, 317960, 357705, 476940, 572328, 715410, 953880, 1430820, 2861640]

約数ペア:

[(1, 2861640), (2, 1430820), (3, 953880), (4, 715410), (5, 572328), (6, 476940), (8, 357705), (9, 317960), (10, 286164), (12, 238470), (15, 190776), (18, 158980), (20, 143082), (24, 119235), (30, 95388), (36, 79490), (40, 71541), (45, 63592), (60, 47694), (72, 39745), (90, 31796), (120, 23847), (180, 15898), (360, 7949)]