308560640

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 791175168

約数和(自身を除く): 482614528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 128, 160, 184, 188, 223, 230, 235, 256, 320, 368, 376, 446, 460, 470, 640, 736, 752, 892, 920, 940, 1081, 1115, 1280, 1472, 1504, 1784, 1840, 1880, 2162, 2230, 2944, 3008, 3568, 3680, 3760, 4324, 4460, 5129, 5405, 5888, 6016, 7136, 7360, 7520, 8648, 8920, 10258, 10481, 10810, 12032, 14272, 14720, 15040, 17296, 17840, 20516, 20962, 21620, 25645, 28544, 29440, 30080, 34592, 35680, 41032, 41924, 43240, 51290, 52405, 57088, 60160, 69184, 71360, 82064, 83848, 86480, 102580, 104810, 138368, 142720, 164128, 167696, 172960, 205160, 209620, 241063, 276736, 285440, 328256, 335392, 345920, 410320, 419240, 482126, 656512, 670784, 691840, 820640, 838480, 964252, 1205315, 1313024, 1341568, 1383680, 1641280, 1676960, 1928504, 2410630, 2683136, 3282560, 3353920, 3857008, 4821260, 6565120, 6707840, 7714016, 9642520, 13415680, 15428032, 19285040, 30856064, 38570080, 61712128, 77140160, 154280320, 308560640]

約数ペア:

[(1, 308560640), (2, 154280320), (4, 77140160), (5, 61712128), (8, 38570080), (10, 30856064), (16, 19285040), (20, 15428032), (23, 13415680), (32, 9642520), (40, 7714016), (46, 6707840), (47, 6565120), (64, 4821260), (80, 3857008), (92, 3353920), (94, 3282560), (115, 2683136), (128, 2410630), (160, 1928504), (184, 1676960), (188, 1641280), (223, 1383680), (230, 1341568), (235, 1313024), (256, 1205315), (320, 964252), (368, 838480), (376, 820640), (446, 691840), (460, 670784), (470, 656512), (640, 482126), (736, 419240), (752, 410320), (892, 345920), (920, 335392), (940, 328256), (1081, 285440), (1115, 276736), (1280, 241063), (1472, 209620), (1504, 205160), (1784, 172960), (1840, 167696), (1880, 164128), (2162, 142720), (2230, 138368), (2944, 104810), (3008, 102580), (3568, 86480), (3680, 83848), (3760, 82064), (4324, 71360), (4460, 69184), (5129, 60160), (5405, 57088), (5888, 52405), (6016, 51290), (7136, 43240), (7360, 41924), (7520, 41032), (8648, 35680), (8920, 34592), (10258, 30080), (10481, 29440), (10810, 28544), (12032, 25645), (14272, 21620), (14720, 20962), (15040, 20516), (17296, 17840)]