81938672640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 1056

約数和(自身を含む): 338118940224

約数和(自身を除く): 256180267584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 37, 40, 44, 45, 48, 51, 55, 60, 64, 66, 68, 72, 74, 80, 85, 88, 90, 96, 99, 102, 110, 111, 120, 128, 132, 136, 144, 148, 153, 160, 165, 170, 176, 180, 185, 187, 192, 198, 204, 220, 222, 240, 255, 256, 257, 264, 272, 288, 296, 306, 320, 330, 333, 340, 352, 360, 370, 374, 384, 396, 407, 408, 440, 444, 480, 495, 510, 512, 514, 528, 544, 555, 561, 576, 592, 612, 629, 640, 660, 666, 680, 704, 720, 740, 748, 765, 768, 771, 792, 814, 816, 880, 888, 935, 960, 990, 1020, 1024, 1028, 1056, 1088, 1110, 1122, 1152, 1184, 1221, 1224, 1258, 1280, 1285, 1320, 1332, 1360, 1408, 1440, 1480, 1496, 1530, 1536, 1542, 1584, 1628, 1632, 1665, 1683, 1760, 1776, 1870, 1887, 1920, 1980, 2035, 2040, 2056, 2112, 2176, 2220, 2244, 2304, 2313, 2368, 2442, 2448, 2516, 2560, 2570, 2640, 2664, 2720, 2805, 2816, 2827, 2880, 2960, 2992, 3060, 3072, 3084, 3145, 3168, 3256, 3264, 3330, 3366, 3520, 3552, 3663, 3740, 3774, 3840, 3855, 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約数ペア:

[(1, 81938672640), (2, 40969336320), (3, 27312890880), (4, 20484668160), (5, 16387734528), (6, 13656445440), (8, 10242334080), (9, 9104296960), (10, 8193867264), (11, 7448970240), (12, 6828222720), (15, 5462578176), (16, 5121167040), (17, 4819921920), (18, 4552148480), (20, 4096933632), (22, 3724485120), (24, 3414111360), (30, 2731289088), (32, 2560583520), (33, 2482990080), (34, 2409960960), (36, 2276074240), (37, 2214558720), (40, 2048466816), (44, 1862242560), (45, 1820859392), (48, 1707055680), (51, 1606640640), (55, 1489794048), (60, 1365644544), (64, 1280291760), (66, 1241495040), (68, 1204980480), (72, 1138037120), (74, 1107279360), (80, 1024233408), (85, 963984384), (88, 931121280), (90, 910429696), (96, 853527840), (99, 827663360), (102, 803320320), (110, 744897024), (111, 738186240), (120, 682822272), (128, 640145880), (132, 620747520), (136, 602490240), (144, 569018560), (148, 553639680), (153, 535546880), (160, 512116704), (165, 496598016), (170, 481992192), (176, 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