128720736

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 144

約数和(自身を含む): 394849728

約数和(自身を除く): 266128992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 61, 68, 72, 96, 102, 122, 136, 144, 153, 183, 204, 244, 272, 288, 306, 366, 408, 431, 488, 544, 549, 612, 732, 816, 862, 976, 1037, 1098, 1224, 1293, 1464, 1632, 1724, 1952, 2074, 2196, 2448, 2586, 2928, 3111, 3448, 3879, 4148, 4392, 4896, 5172, 5856, 6222, 6896, 7327, 7758, 8296, 8784, 9333, 10344, 12444, 13792, 14654, 15516, 16592, 17568, 18666, 20688, 21981, 24888, 26291, 29308, 31032, 33184, 37332, 41376, 43962, 49776, 52582, 58616, 62064, 65943, 74664, 78873, 87924, 99552, 105164, 117232, 124128, 131886, 149328, 157746, 175848, 210328, 234464, 236619, 263772, 298656, 315492, 351696, 420656, 446947, 473238, 527544, 630984, 703392, 841312, 893894, 946476, 1055088, 1261968, 1340841, 1787788, 1892952, 2110176, 2523936, 2681682, 3575576, 3785904, 4022523, 5363364, 7151152, 7571808, 8045046, 10726728, 14302304, 16090092, 21453456, 32180184, 42906912, 64360368, 128720736]

約数ペア:

[(1, 128720736), (2, 64360368), (3, 42906912), (4, 32180184), (6, 21453456), (8, 16090092), (9, 14302304), (12, 10726728), (16, 8045046), (17, 7571808), (18, 7151152), (24, 5363364), (32, 4022523), (34, 3785904), (36, 3575576), (48, 2681682), (51, 2523936), (61, 2110176), (68, 1892952), (72, 1787788), (96, 1340841), (102, 1261968), (122, 1055088), (136, 946476), (144, 893894), (153, 841312), (183, 703392), (204, 630984), (244, 527544), (272, 473238), (288, 446947), (306, 420656), (366, 351696), (408, 315492), (431, 298656), (488, 263772), (544, 236619), (549, 234464), (612, 210328), (732, 175848), (816, 157746), (862, 149328), (976, 131886), (1037, 124128), (1098, 117232), (1224, 105164), (1293, 99552), (1464, 87924), (1632, 78873), (1724, 74664), (1952, 65943), (2074, 62064), (2196, 58616), (2448, 52582), (2586, 49776), (2928, 43962), (3111, 41376), (3448, 37332), (3879, 33184), (4148, 31032), (4392, 29308), (4896, 26291), (5172, 24888), (5856, 21981), (6222, 20688), (6896, 18666), (7327, 17568), (7758, 16592), (8296, 15516), (8784, 14654), (9333, 13792), (10344, 12444)]