7818981840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21169}}^1$

素因数の和:21216

約数の個数: 240

約数和(自身を含む): 28665873600

約数和(自身を除く): 20846891760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 648, 684, 720, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1215, 1296, 1368, 1520, 1539, 1620, 1710, 1944, 2052, 2160, 2280, 2430, 2565, 2736, 3078, 3240, 3420, 3888, 4104, 4560, 4617, 4860, 5130, 6156, 6480, 6840, 7695, 8208, 9234, 9720, 10260, 12312, 13680, 15390, 18468, 19440, 20520, 21169, 23085, 24624, 30780, 36936, 41040, 42338, 46170, 61560, 63507, 73872, 84676, 92340, 105845, 123120, 127014, 169352, 184680, 190521, 211690, 254028, 317535, 338704, 369360, 381042, 402211, 423380, 508056, 571563, 635070, 762084, 804422, 846760, 952605, 1016112, 1143126, 1206633, 1270140, 1524168, 1608844, 1693520, 1714689, 1905210, 2011055, 2286252, 2413266, 2540280, 2857815, 3048336, 3217688, 3429378, 3619899, 3810420, 4022110, 4572504, 4826532, 5080560, 5144067, 5715630, 6033165, 6435376, 6858756, 7239798, 7620840, 8044220, 8573445, 9145008, 9653064, 10288134, 10859697, 11431260, 12066330, 13717512, 14479596, 15241680, 16088440, 17146890, 18099495, 19306128, 20576268, 21719394, 22862520, 24132660, 25720335, 27435024, 28959192, 32176880, 32579091, 34293780, 36198990, 41152536, 43438788, 45725040, 48265320, 51440670, 54298485, 57918384, 65158182, 68587560, 72397980, 82305072, 86877576, 96530640, 97737273, 102881340, 108596970, 130316364, 137175120, 144795960, 162895455, 173755152, 195474546, 205762680, 217193940, 260632728, 289591920, 325790910, 390949092, 411525360, 434387880, 488686365, 521265456, 651581820, 781898184, 868775760, 977372730, 1303163640, 1563796368, 1954745460, 2606327280, 3909490920, 7818981840]

約数ペア:

[(1, 7818981840), (2, 3909490920), (3, 2606327280), (4, 1954745460), (5, 1563796368), (6, 1303163640), (8, 977372730), (9, 868775760), (10, 781898184), (12, 651581820), (15, 521265456), (16, 488686365), (18, 434387880), (19, 411525360), (20, 390949092), (24, 325790910), (27, 289591920), (30, 260632728), (36, 217193940), (38, 205762680), (40, 195474546), (45, 173755152), (48, 162895455), (54, 144795960), (57, 137175120), (60, 130316364), (72, 108596970), (76, 102881340), (80, 97737273), (81, 96530640), (90, 86877576), (95, 82305072), (108, 72397980), (114, 68587560), (120, 65158182), (135, 57918384), (144, 54298485), (152, 51440670), (162, 48265320), (171, 45725040), (180, 43438788), (190, 41152536), (216, 36198990), (228, 34293780), (240, 32579091), (243, 32176880), (270, 28959192), (285, 27435024), (304, 25720335), (324, 24132660), (342, 22862520), (360, 21719394), (380, 20576268), (405, 19306128), (432, 18099495), (456, 17146890), (486, 16088440), (513, 15241680), (540, 14479596), (570, 13717512), (648, 12066330), (684, 11431260), (720, 10859697), (760, 10288134), (810, 9653064), (855, 9145008), (912, 8573445), (972, 8044220), (1026, 7620840), (1080, 7239798), (1140, 6858756), (1215, 6435376), (1296, 6033165), (1368, 5715630), (1520, 5144067), (1539, 5080560), (1620, 4826532), (1710, 4572504), (1944, 4022110), (2052, 3810420), (2160, 3619899), (2280, 3429378), (2430, 3217688), (2565, 3048336), (2736, 2857815), (3078, 2540280), (3240, 2413266), (3420, 2286252), (3888, 2011055), (4104, 1905210), (4560, 1714689), (4617, 1693520), (4860, 1608844), (5130, 1524168), (6156, 1270140), (6480, 1206633), (6840, 1143126), (7695, 1016112), (8208, 952605), (9234, 846760), (9720, 804422), (10260, 762084), (12312, 635070), (13680, 571563), (15390, 508056), (18468, 423380), (19440, 402211), (20520, 381042), (21169, 369360), (23085, 338704), (24624, 317535), (30780, 254028), (36936, 211690), (41040, 190521), (42338, 184680), (46170, 169352), (61560, 127014), (63507, 123120), (73872, 105845), (84676, 92340)]