921305840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 2725138080

約数和(自身を除く): 1803832240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 101, 104, 112, 130, 140, 179, 182, 196, 202, 208, 245, 260, 280, 358, 364, 392, 404, 455, 490, 505, 520, 560, 637, 707, 716, 728, 784, 808, 895, 910, 980, 1010, 1040, 1253, 1274, 1313, 1414, 1432, 1456, 1616, 1790, 1820, 1960, 2020, 2327, 2506, 2548, 2626, 2828, 2864, 3185, 3535, 3580, 3640, 3920, 4040, 4654, 4949, 5012, 5096, 5252, 5656, 6265, 6370, 6565, 7070, 7160, 7280, 8080, 8771, 9191, 9308, 9898, 10024, 10192, 10504, 11312, 11635, 12530, 12740, 13130, 14140, 14320, 16289, 17542, 18079, 18382, 18616, 19796, 20048, 21008, 23270, 24745, 25060, 25480, 26260, 28280, 32578, 35084, 36158, 36764, 37232, 39592, 43855, 45955, 46540, 49490, 50120, 50960, 52520, 56560, 64337, 65156, 70168, 72316, 73528, 79184, 81445, 87710, 90395, 91910, 93080, 98980, 100240, 105040, 114023, 126553, 128674, 130312, 140336, 144632, 147056, 162890, 175420, 180790, 183820, 186160, 197960, 228046, 235027, 253106, 257348, 260624, 289264, 321685, 325780, 350840, 361580, 367640, 395920, 456092, 470054, 506212, 514696, 570115, 632765, 643370, 651560, 701680, 723160, 735280, 885871, 912184, 940108, 1012424, 1029392, 1140230, 1175135, 1265530, 1286740, 1303120, 1446320, 1645189, 1771742, 1824368, 1880216, 2024848, 2280460, 2350270, 2531060, 2573480, 3290378, 3543484, 3760432, 4429355, 4560920, 4700540, 5062120, 5146960, 6580756, 7086968, 8225945, 8858710, 9121840, 9401080, 10124240, 11516323, 13161512, 14173936, 16451890, 17717420, 18802160, 23032646, 26323024, 32903780, 35434840, 46065292, 57581615, 65807560, 70869680, 92130584, 115163230, 131615120, 184261168, 230326460, 460652920, 921305840]

約数ペア:

[(1, 921305840), (2, 460652920), (4, 230326460), (5, 184261168), (7, 131615120), (8, 115163230), (10, 92130584), (13, 70869680), (14, 65807560), (16, 57581615), (20, 46065292), (26, 35434840), (28, 32903780), (35, 26323024), (40, 23032646), (49, 18802160), (52, 17717420), (56, 16451890), (65, 14173936), (70, 13161512), (80, 11516323), (91, 10124240), (98, 9401080), (101, 9121840), (104, 8858710), (112, 8225945), (130, 7086968), (140, 6580756), (179, 5146960), (182, 5062120), (196, 4700540), (202, 4560920), (208, 4429355), (245, 3760432), (260, 3543484), (280, 3290378), (358, 2573480), (364, 2531060), (392, 2350270), (404, 2280460), (455, 2024848), (490, 1880216), (505, 1824368), (520, 1771742), (560, 1645189), (637, 1446320), (707, 1303120), (716, 1286740), (728, 1265530), (784, 1175135), (808, 1140230), (895, 1029392), (910, 1012424), (980, 940108), (1010, 912184), (1040, 885871), (1253, 735280), (1274, 723160), (1313, 701680), (1414, 651560), (1432, 643370), (1456, 632765), (1616, 570115), (1790, 514696), (1820, 506212), (1960, 470054), (2020, 456092), (2327, 395920), (2506, 367640), (2548, 361580), (2626, 350840), (2828, 325780), (2864, 321685), (3185, 289264), (3535, 260624), (3580, 257348), (3640, 253106), (3920, 235027), (4040, 228046), (4654, 197960), (4949, 186160), (5012, 183820), (5096, 180790), (5252, 175420), (5656, 162890), (6265, 147056), (6370, 144632), (6565, 140336), (7070, 130312), (7160, 128674), (7280, 126553), (8080, 114023), (8771, 105040), (9191, 100240), (9308, 98980), (9898, 93080), (10024, 91910), (10192, 90395), (10504, 87710), (11312, 81445), (11635, 79184), (12530, 73528), (12740, 72316), (13130, 70168), (14140, 65156), (14320, 64337), (16289, 56560), (17542, 52520), (18079, 50960), (18382, 50120), (18616, 49490), (19796, 46540), (20048, 45955), (21008, 43855), (23270, 39592), (24745, 37232), (25060, 36764), (25480, 36158), (26260, 35084), (28280, 32578)]