19479840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{40583}}^1$

素因数の和:40601

約数の個数: 48

約数和(自身を含む): 61363008

約数和(自身を除く): 41883168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 40583, 81166, 121749, 162332, 202915, 243498, 324664, 405830, 486996, 608745, 649328, 811660, 973992, 1217490, 1298656, 1623320, 1947984, 2434980, 3246640, 3895968, 4869960, 6493280, 9739920, 19479840]

約数ペア:

[(1, 19479840), (2, 9739920), (3, 6493280), (4, 4869960), (5, 3895968), (6, 3246640), (8, 2434980), (10, 1947984), (12, 1623320), (15, 1298656), (16, 1217490), (20, 973992), (24, 811660), (30, 649328), (32, 608745), (40, 486996), (48, 405830), (60, 324664), (80, 243498), (96, 202915), (120, 162332), (160, 121749), (240, 81166), (480, 40583)]