180742896

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 120

約数和(自身を含む): 549885440

約数和(自身を除く): 369142544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 1116, 1178, 1368, 1488, 1767, 2131, 2232, 2356, 2736, 3534, 4262, 4464, 4712, 5301, 6393, 7068, 8524, 9424, 10602, 12786, 14136, 17048, 19179, 21204, 25572, 28272, 34096, 38358, 40489, 42408, 51144, 66061, 76716, 80978, 84816, 102288, 121467, 132122, 153432, 161956, 198183, 242934, 264244, 306864, 323912, 364401, 396366, 485868, 528488, 594549, 647824, 728802, 792732, 971736, 1056976, 1189098, 1255159, 1457604, 1585464, 1943472, 2378196, 2510318, 2915208, 3170928, 3765477, 4756392, 5020636, 5830416, 7530954, 9512784, 10041272, 11296431, 15061908, 20082544, 22592862, 30123816, 45185724, 60247632, 90371448, 180742896]

約数ペア:

[(1, 180742896), (2, 90371448), (3, 60247632), (4, 45185724), (6, 30123816), (8, 22592862), (9, 20082544), (12, 15061908), (16, 11296431), (18, 10041272), (19, 9512784), (24, 7530954), (31, 5830416), (36, 5020636), (38, 4756392), (48, 3765477), (57, 3170928), (62, 2915208), (72, 2510318), (76, 2378196), (93, 1943472), (114, 1585464), (124, 1457604), (144, 1255159), (152, 1189098), (171, 1056976), (186, 971736), (228, 792732), (248, 728802), (279, 647824), (304, 594549), (342, 528488), (372, 485868), (456, 396366), (496, 364401), (558, 323912), (589, 306864), (684, 264244), (744, 242934), (912, 198183), (1116, 161956), (1178, 153432), (1368, 132122), (1488, 121467), (1767, 102288), (2131, 84816), (2232, 80978), (2356, 76716), (2736, 66061), (3534, 51144), (4262, 42408), (4464, 40489), (4712, 38358), (5301, 34096), (6393, 28272), (7068, 25572), (8524, 21204), (9424, 19179), (10602, 17048), (12786, 14136)]