88891980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{87149}}^1$

素因数の和:87178

約数の個数: 48

約数和(自身を含む): 263541600

約数和(自身を除く): 174649620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 87149, 174298, 261447, 348596, 435745, 522894, 871490, 1045788, 1307235, 1481533, 1742980, 2614470, 2963066, 4444599, 5228940, 5926132, 7407665, 8889198, 14815330, 17778396, 22222995, 29630660, 44445990, 88891980]

約数ペア:

[(1, 88891980), (2, 44445990), (3, 29630660), (4, 22222995), (5, 17778396), (6, 14815330), (10, 8889198), (12, 7407665), (15, 5926132), (17, 5228940), (20, 4444599), (30, 2963066), (34, 2614470), (51, 1742980), (60, 1481533), (68, 1307235), (85, 1045788), (102, 871490), (170, 522894), (204, 435745), (255, 348596), (340, 261447), (510, 174298), (1020, 87149)]