782706520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2165

約数の個数: 128

約数和(自身を含む): 2031480000

約数和(自身を除く): 1248773480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 145, 152, 170, 190, 232, 290, 323, 340, 380, 493, 551, 580, 646, 680, 760, 986, 1102, 1160, 1292, 1615, 1972, 2089, 2204, 2465, 2584, 2755, 3230, 3944, 4178, 4408, 4930, 5510, 6460, 8356, 9367, 9860, 10445, 11020, 12920, 16712, 18734, 19720, 20890, 22040, 35513, 37468, 39691, 41780, 46835, 60581, 71026, 74936, 79382, 83560, 93670, 121162, 142052, 158764, 177565, 187340, 198455, 242324, 284104, 302905, 317528, 355130, 374680, 396910, 484648, 605810, 674747, 710260, 793820, 1029877, 1151039, 1211620, 1349494, 1420520, 1587640, 2059754, 2302078, 2423240, 2698988, 3373735, 4119508, 4604156, 5149385, 5397976, 5755195, 6747470, 8239016, 9208312, 10298770, 11510390, 13494940, 19567663, 20597540, 23020780, 26989880, 39135326, 41195080, 46041560, 78270652, 97838315, 156541304, 195676630, 391353260, 782706520]

約数ペア:

[(1, 782706520), (2, 391353260), (4, 195676630), (5, 156541304), (8, 97838315), (10, 78270652), (17, 46041560), (19, 41195080), (20, 39135326), (29, 26989880), (34, 23020780), (38, 20597540), (40, 19567663), (58, 13494940), (68, 11510390), (76, 10298770), (85, 9208312), (95, 8239016), (116, 6747470), (136, 5755195), (145, 5397976), (152, 5149385), (170, 4604156), (190, 4119508), (232, 3373735), (290, 2698988), (323, 2423240), (340, 2302078), (380, 2059754), (493, 1587640), (551, 1420520), (580, 1349494), (646, 1211620), (680, 1151039), (760, 1029877), (986, 793820), (1102, 710260), (1160, 674747), (1292, 605810), (1615, 484648), (1972, 396910), (2089, 374680), (2204, 355130), (2465, 317528), (2584, 302905), (2755, 284104), (3230, 242324), (3944, 198455), (4178, 187340), (4408, 177565), (4930, 158764), (5510, 142052), (6460, 121162), (8356, 93670), (9367, 83560), (9860, 79382), (10445, 74936), (11020, 71026), (12920, 60581), (16712, 46835), (18734, 41780), (19720, 39691), (20890, 37468), (22040, 35513)]