81459456

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 240374400

約数和(自身を除く): 158914944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 41, 48, 52, 64, 78, 82, 96, 104, 123, 128, 156, 164, 192, 199, 208, 246, 256, 312, 328, 384, 398, 416, 492, 533, 597, 624, 656, 768, 796, 832, 984, 1066, 1194, 1248, 1312, 1592, 1599, 1664, 1968, 2132, 2388, 2496, 2587, 2624, 3184, 3198, 3328, 3936, 4264, 4776, 4992, 5174, 5248, 6368, 6396, 7761, 7872, 8159, 8528, 9552, 9984, 10348, 10496, 12736, 12792, 15522, 15744, 16318, 17056, 19104, 20696, 24477, 25472, 25584, 31044, 31488, 32636, 34112, 38208, 41392, 48954, 50944, 51168, 62088, 65272, 68224, 76416, 82784, 97908, 102336, 106067, 124176, 130544, 136448, 152832, 165568, 195816, 204672, 212134, 248352, 261088, 318201, 331136, 391632, 409344, 424268, 496704, 522176, 636402, 662272, 783264, 848536, 993408, 1044352, 1272804, 1566528, 1697072, 1986816, 2088704, 2545608, 3133056, 3394144, 5091216, 6266112, 6788288, 10182432, 13576576, 20364864, 27153152, 40729728, 81459456]

約数ペア:

[(1, 81459456), (2, 40729728), (3, 27153152), (4, 20364864), (6, 13576576), (8, 10182432), (12, 6788288), (13, 6266112), (16, 5091216), (24, 3394144), (26, 3133056), (32, 2545608), (39, 2088704), (41, 1986816), (48, 1697072), (52, 1566528), (64, 1272804), (78, 1044352), (82, 993408), (96, 848536), (104, 783264), (123, 662272), (128, 636402), (156, 522176), (164, 496704), (192, 424268), (199, 409344), (208, 391632), (246, 331136), (256, 318201), (312, 261088), (328, 248352), (384, 212134), (398, 204672), (416, 195816), (492, 165568), (533, 152832), (597, 136448), (624, 130544), (656, 124176), (768, 106067), (796, 102336), (832, 97908), (984, 82784), (1066, 76416), (1194, 68224), (1248, 65272), (1312, 62088), (1592, 51168), (1599, 50944), (1664, 48954), (1968, 41392), (2132, 38208), (2388, 34112), (2496, 32636), (2587, 31488), (2624, 31044), (3184, 25584), (3198, 25472), (3328, 24477), (3936, 20696), (4264, 19104), (4776, 17056), (4992, 16318), (5174, 15744), (5248, 15522), (6368, 12792), (6396, 12736), (7761, 10496), (7872, 10348), (8159, 9984), (8528, 9552)]