9998560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 30481920

約数和(自身を除く): 20483360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 23, 26, 32, 38, 40, 44, 46, 52, 55, 65, 76, 80, 88, 92, 95, 104, 110, 115, 130, 143, 152, 160, 176, 184, 190, 208, 209, 220, 230, 247, 253, 260, 286, 299, 304, 352, 368, 380, 416, 418, 437, 440, 460, 494, 506, 520, 572, 598, 608, 715, 736, 760, 836, 874, 880, 920, 988, 1012, 1040, 1045, 1144, 1196, 1235, 1265, 1430, 1495, 1520, 1672, 1748, 1760, 1840, 1976, 2024, 2080, 2090, 2185, 2288, 2392, 2470, 2530, 2717, 2860, 2990, 3040, 3289, 3344, 3496, 3680, 3952, 4048, 4180, 4370, 4576, 4784, 4807, 4940, 5060, 5434, 5681, 5720, 5980, 6578, 6688, 6992, 7904, 8096, 8360, 8740, 9568, 9614, 9880, 10120, 10868, 11362, 11440, 11960, 13156, 13585, 13984, 16445, 16720, 17480, 19228, 19760, 20240, 21736, 22724, 22880, 23920, 24035, 26312, 27170, 28405, 32890, 33440, 34960, 38456, 39520, 40480, 43472, 45448, 47840, 48070, 52624, 54340, 56810, 62491, 65780, 69920, 76912, 86944, 90896, 96140, 105248, 108680, 113620, 124982, 131560, 153824, 181792, 192280, 217360, 227240, 249964, 263120, 312455, 384560, 434720, 454480, 499928, 526240, 624910, 769120, 908960, 999856, 1249820, 1999712, 2499640, 4999280, 9998560]

約数ペア:

[(1, 9998560), (2, 4999280), (4, 2499640), (5, 1999712), (8, 1249820), (10, 999856), (11, 908960), (13, 769120), (16, 624910), (19, 526240), (20, 499928), (22, 454480), (23, 434720), (26, 384560), (32, 312455), (38, 263120), (40, 249964), (44, 227240), (46, 217360), (52, 192280), (55, 181792), (65, 153824), (76, 131560), (80, 124982), (88, 113620), (92, 108680), (95, 105248), (104, 96140), (110, 90896), (115, 86944), (130, 76912), (143, 69920), (152, 65780), (160, 62491), (176, 56810), (184, 54340), (190, 52624), (208, 48070), (209, 47840), (220, 45448), (230, 43472), (247, 40480), (253, 39520), (260, 38456), (286, 34960), (299, 33440), (304, 32890), (352, 28405), (368, 27170), (380, 26312), (416, 24035), (418, 23920), (437, 22880), (440, 22724), (460, 21736), (494, 20240), (506, 19760), (520, 19228), (572, 17480), (598, 16720), (608, 16445), (715, 13984), (736, 13585), (760, 13156), (836, 11960), (874, 11440), (880, 11362), (920, 10868), (988, 10120), (1012, 9880), (1040, 9614), (1045, 9568), (1144, 8740), (1196, 8360), (1235, 8096), (1265, 7904), (1430, 6992), (1495, 6688), (1520, 6578), (1672, 5980), (1748, 5720), (1760, 5681), (1840, 5434), (1976, 5060), (2024, 4940), (2080, 4807), (2090, 4784), (2185, 4576), (2288, 4370), (2392, 4180), (2470, 4048), (2530, 3952), (2717, 3680), (2860, 3496), (2990, 3344), (3040, 3289)]