278889144

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 768768000

約数和(自身を除く): 489878856

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 109, 114, 124, 152, 181, 186, 218, 228, 248, 327, 362, 372, 436, 456, 543, 589, 654, 724, 744, 872, 1086, 1178, 1308, 1448, 1767, 2071, 2172, 2356, 2616, 3379, 3439, 3534, 4142, 4344, 4712, 5611, 6213, 6758, 6878, 7068, 8284, 10137, 10317, 11222, 12426, 13516, 13756, 14136, 16568, 16833, 19729, 20274, 20634, 22444, 24852, 27032, 27512, 33666, 39458, 40548, 41268, 44888, 49704, 59187, 64201, 67332, 78916, 81096, 82536, 106609, 118374, 128402, 134664, 157832, 192603, 213218, 236748, 256804, 319827, 374851, 385206, 426436, 473496, 513608, 611599, 639654, 749702, 770412, 852872, 1124553, 1223198, 1279308, 1499404, 1540824, 1834797, 2249106, 2446396, 2558616, 2998808, 3669594, 4498212, 4892792, 7339188, 8996424, 11620381, 14678376, 23240762, 34861143, 46481524, 69722286, 92963048, 139444572, 278889144]

約数ペア:

[(1, 278889144), (2, 139444572), (3, 92963048), (4, 69722286), (6, 46481524), (8, 34861143), (12, 23240762), (19, 14678376), (24, 11620381), (31, 8996424), (38, 7339188), (57, 4892792), (62, 4498212), (76, 3669594), (93, 2998808), (109, 2558616), (114, 2446396), (124, 2249106), (152, 1834797), (181, 1540824), (186, 1499404), (218, 1279308), (228, 1223198), (248, 1124553), (327, 852872), (362, 770412), (372, 749702), (436, 639654), (456, 611599), (543, 513608), (589, 473496), (654, 426436), (724, 385206), (744, 374851), (872, 319827), (1086, 256804), (1178, 236748), (1308, 213218), (1448, 192603), (1767, 157832), (2071, 134664), (2172, 128402), (2356, 118374), (2616, 106609), (3379, 82536), (3439, 81096), (3534, 78916), (4142, 67332), (4344, 64201), (4712, 59187), (5611, 49704), (6213, 44888), (6758, 41268), (6878, 40548), (7068, 39458), (8284, 33666), (10137, 27512), (10317, 27032), (11222, 24852), (12426, 22444), (13516, 20634), (13756, 20274), (14136, 19729), (16568, 16833)]