1438880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 3762612

約数和(自身を除く): 2323732

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 68, 80, 85, 92, 115, 136, 160, 170, 184, 230, 272, 340, 368, 391, 460, 529, 544, 680, 736, 782, 920, 1058, 1360, 1564, 1840, 1955, 2116, 2645, 2720, 3128, 3680, 3910, 4232, 5290, 6256, 7820, 8464, 8993, 10580, 12512, 15640, 16928, 17986, 21160, 31280, 35972, 42320, 44965, 62560, 71944, 84640, 89930, 143888, 179860, 287776, 359720, 719440, 1438880]

約数ペア:

[(1, 1438880), (2, 719440), (4, 359720), (5, 287776), (8, 179860), (10, 143888), (16, 89930), (17, 84640), (20, 71944), (23, 62560), (32, 44965), (34, 42320), (40, 35972), (46, 31280), (68, 21160), (80, 17986), (85, 16928), (92, 15640), (115, 12512), (136, 10580), (160, 8993), (170, 8464), (184, 7820), (230, 6256), (272, 5290), (340, 4232), (368, 3910), (391, 3680), (460, 3128), (529, 2720), (544, 2645), (680, 2116), (736, 1955), (782, 1840), (920, 1564), (1058, 1360)]