2054790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 5747040

約数和(自身を除く): 3692250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 79, 85, 90, 102, 153, 158, 170, 237, 255, 289, 306, 395, 474, 510, 578, 711, 765, 790, 867, 1185, 1343, 1422, 1445, 1530, 1734, 2370, 2601, 2686, 2890, 3555, 4029, 4335, 5202, 6715, 7110, 8058, 8670, 12087, 13005, 13430, 20145, 22831, 24174, 26010, 40290, 45662, 60435, 68493, 114155, 120870, 136986, 205479, 228310, 342465, 410958, 684930, 1027395, 2054790]

約数ペア:

[(1, 2054790), (2, 1027395), (3, 684930), (5, 410958), (6, 342465), (9, 228310), (10, 205479), (15, 136986), (17, 120870), (18, 114155), (30, 68493), (34, 60435), (45, 45662), (51, 40290), (79, 26010), (85, 24174), (90, 22831), (102, 20145), (153, 13430), (158, 13005), (170, 12087), (237, 8670), (255, 8058), (289, 7110), (306, 6715), (395, 5202), (474, 4335), (510, 4029), (578, 3555), (711, 2890), (765, 2686), (790, 2601), (867, 2370), (1185, 1734), (1343, 1530), (1422, 1445)]