140747440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 371404800

約数和(自身を除く): 230657360

約数列:

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

約数ペア:

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