12215818880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{17657}}^1$

素因数の和:17746

約数の個数: 128

約数和(自身を含む): 31123284480

約数和(自身を除く): 18907465600

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, 230, 235, 320, 368, 376, 460, 470, 640, 736, 752, 920, 940, 1081, 1472, 1504, 1840, 1880, 2162, 2944, 3008, 3680, 3760, 4324, 5405, 6016, 7360, 7520, 8648, 10810, 14720, 15040, 17296, 17657, 21620, 30080, 34592, 35314, 43240, 69184, 70628, 86480, 88285, 138368, 141256, 172960, 176570, 282512, 345920, 353140, 406111, 565024, 691840, 706280, 812222, 829879, 1130048, 1412560, 1624444, 1659758, 2030555, 2260096, 2825120, 3248888, 3319516, 4061110, 4149395, 5650240, 6497776, 6639032, 8122220, 8298790, 11300480, 12995552, 13278064, 16244440, 16597580, 19087217, 25991104, 26556128, 32488880, 33195160, 38174434, 51982208, 53112256, 64977760, 66390320, 76348868, 95436085, 106224512, 129955520, 132780640, 152697736, 190872170, 259911040, 265561280, 305395472, 381744340, 531122560, 610790944, 763488680, 1221581888, 1526977360, 2443163776, 3053954720, 6107909440, 12215818880]

約数ペア:

[(1, 12215818880), (2, 6107909440), (4, 3053954720), (5, 2443163776), (8, 1526977360), (10, 1221581888), (16, 763488680), (20, 610790944), (23, 531122560), (32, 381744340), (40, 305395472), (46, 265561280), (47, 259911040), (64, 190872170), (80, 152697736), (92, 132780640), (94, 129955520), (115, 106224512), (128, 95436085), (160, 76348868), (184, 66390320), (188, 64977760), (230, 53112256), (235, 51982208), (320, 38174434), (368, 33195160), (376, 32488880), (460, 26556128), (470, 25991104), (640, 19087217), (736, 16597580), (752, 16244440), (920, 13278064), (940, 12995552), (1081, 11300480), (1472, 8298790), (1504, 8122220), (1840, 6639032), (1880, 6497776), (2162, 5650240), (2944, 4149395), (3008, 4061110), (3680, 3319516), (3760, 3248888), (4324, 2825120), (5405, 2260096), (6016, 2030555), (7360, 1659758), (7520, 1624444), (8648, 1412560), (10810, 1130048), (14720, 829879), (15040, 812222), (17296, 706280), (17657, 691840), (21620, 565024), (30080, 406111), (34592, 353140), (35314, 345920), (43240, 282512), (69184, 176570), (70628, 172960), (86480, 141256), (88285, 138368)]