1981419847680

素因数分解:

$2^{15}\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1518

約数の個数: 1024

約数和(自身を含む): 8060993740800

約数和(自身を除く): 6079573893120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 32, 35, 39, 40, 42, 48, 52, 56, 60, 62, 64, 65, 70, 78, 80, 84, 91, 93, 96, 104, 105, 112, 120, 124, 128, 130, 140, 155, 156, 160, 168, 182, 186, 192, 195, 208, 210, 217, 224, 240, 248, 256, 260, 273, 280, 310, 312, 320, 336, 364, 372, 384, 390, 403, 416, 420, 434, 448, 455, 465, 480, 496, 512, 520, 546, 560, 620, 624, 640, 651, 672, 728, 744, 768, 780, 806, 832, 840, 868, 896, 910, 930, 960, 992, 1024, 1040, 1085, 1092, 1120, 1209, 1240, 1248, 1280, 1302, 1344, 1365, 1429, 1456, 1488, 1536, 1560, 1612, 1664, 1680, 1736, 1792, 1820, 1860, 1920, 1984, 2015, 2048, 2080, 2170, 2184, 2240, 2418, 2480, 2496, 2560, 2604, 2688, 2730, 2821, 2858, 2912, 2976, 3072, 3120, 3224, 3255, 3328, 3360, 3472, 3584, 3640, 3720, 3840, 3968, 4030, 4096, 4160, 4287, 4340, 4368, 4480, 4836, 4960, 4992, 5120, 5208, 5376, 5460, 5642, 5716, 5824, 5952, 6045, 6144, 6240, 6448, 6510, 6656, 6720, 6944, 7145, 7168, 7280, 7440, 7680, 7936, 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約数ペア:

[(1, 1981419847680), (2, 990709923840), (3, 660473282560), (4, 495354961920), (5, 396283969536), (6, 330236641280), (7, 283059978240), (8, 247677480960), (10, 198141984768), (12, 165118320640), (13, 152416911360), (14, 141529989120), (15, 132094656512), (16, 123838740480), (20, 99070992384), (21, 94353326080), (24, 82559160320), (26, 76208455680), (28, 70764994560), (30, 66047328256), (31, 63916769280), (32, 61919370240), (35, 56611995648), (39, 50805637120), (40, 49535496192), (42, 47176663040), (48, 41279580160), (52, 38104227840), (56, 35382497280), (60, 33023664128), (62, 31958384640), (64, 30959685120), (65, 30483382272), (70, 28305997824), (78, 25402818560), (80, 24767748096), (84, 23588331520), (91, 21773844480), (93, 21305589760), (96, 20639790080), (104, 19052113920), (105, 18870665216), (112, 17691248640), (120, 16511832064), (124, 15979192320), (128, 15479842560), (130, 15241691136), (140, 14152998912), (155, 12783353856), (156, 12701409280), (160, 12383874048), (168, 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