281494880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 754790400

約数和(自身を除く): 473295520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 31, 32, 38, 40, 58, 62, 76, 80, 95, 103, 116, 124, 145, 152, 155, 160, 190, 206, 232, 248, 290, 304, 310, 380, 412, 464, 496, 515, 551, 580, 589, 608, 620, 760, 824, 899, 928, 992, 1030, 1102, 1160, 1178, 1240, 1520, 1648, 1798, 1957, 2060, 2204, 2320, 2356, 2480, 2755, 2945, 2987, 3040, 3193, 3296, 3596, 3914, 4120, 4408, 4495, 4640, 4712, 4960, 5510, 5890, 5974, 6386, 7192, 7828, 8240, 8816, 8990, 9424, 9785, 11020, 11780, 11948, 12772, 14384, 14935, 15656, 15965, 16480, 17081, 17632, 17980, 18848, 19570, 22040, 23560, 23896, 25544, 28768, 29870, 31312, 31930, 34162, 35960, 39140, 44080, 47120, 47792, 51088, 56753, 59740, 60667, 62624, 63860, 68324, 71920, 78280, 85405, 88160, 92597, 94240, 95584, 102176, 113506, 119480, 121334, 127720, 136648, 143840, 156560, 170810, 185194, 227012, 238960, 242668, 255440, 273296, 283765, 303335, 313120, 341620, 370388, 454024, 462985, 477920, 485336, 510880, 546592, 567530, 606670, 683240, 740776, 908048, 925970, 970672, 1135060, 1213340, 1366480, 1481552, 1759343, 1816096, 1851940, 1941344, 2270120, 2426680, 2732960, 2963104, 3518686, 3703880, 4540240, 4853360, 7037372, 7407760, 8796715, 9080480, 9706720, 14074744, 14815520, 17593430, 28149488, 35186860, 56298976, 70373720, 140747440, 281494880]

約数ペア:

[(1, 281494880), (2, 140747440), (4, 70373720), (5, 56298976), (8, 35186860), (10, 28149488), (16, 17593430), (19, 14815520), (20, 14074744), (29, 9706720), (31, 9080480), (32, 8796715), (38, 7407760), (40, 7037372), (58, 4853360), (62, 4540240), (76, 3703880), (80, 3518686), (95, 2963104), (103, 2732960), (116, 2426680), (124, 2270120), (145, 1941344), (152, 1851940), (155, 1816096), (160, 1759343), (190, 1481552), (206, 1366480), (232, 1213340), (248, 1135060), (290, 970672), (304, 925970), (310, 908048), (380, 740776), (412, 683240), (464, 606670), (496, 567530), (515, 546592), (551, 510880), (580, 485336), (589, 477920), (608, 462985), (620, 454024), (760, 370388), (824, 341620), (899, 313120), (928, 303335), (992, 283765), (1030, 273296), (1102, 255440), (1160, 242668), (1178, 238960), (1240, 227012), (1520, 185194), (1648, 170810), (1798, 156560), (1957, 143840), (2060, 136648), (2204, 127720), (2320, 121334), (2356, 119480), (2480, 113506), (2755, 102176), (2945, 95584), (2987, 94240), (3040, 92597), (3193, 88160), (3296, 85405), (3596, 78280), (3914, 71920), (4120, 68324), (4408, 63860), (4495, 62624), (4640, 60667), (4712, 59740), (4960, 56753), (5510, 51088), (5890, 47792), (5974, 47120), (6386, 44080), (7192, 39140), (7828, 35960), (8240, 34162), (8816, 31930), (8990, 31312), (9424, 29870), (9785, 28768), (11020, 25544), (11780, 23896), (11948, 23560), (12772, 22040), (14384, 19570), (14935, 18848), (15656, 17980), (15965, 17632), (16480, 17081)]