281387808

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4421}}^1$

素因数の和:4467

約数の個数: 144

約数和(自身を含む): 912647736

約数和(自身を除く): 631259928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 288, 306, 312, 408, 416, 442, 468, 544, 612, 624, 663, 816, 884, 936, 1224, 1248, 1326, 1632, 1768, 1872, 1989, 2448, 2652, 3536, 3744, 3978, 4421, 4896, 5304, 7072, 7956, 8842, 10608, 13263, 15912, 17684, 21216, 26526, 31824, 35368, 39789, 53052, 57473, 63648, 70736, 75157, 79578, 106104, 114946, 141472, 150314, 159156, 172419, 212208, 225471, 229892, 300628, 318312, 344838, 424416, 450942, 459784, 517257, 601256, 636624, 676413, 689676, 901884, 919568, 977041, 1034514, 1202512, 1273248, 1352826, 1379352, 1803768, 1839136, 1954082, 2069028, 2405024, 2705652, 2758704, 2931123, 3607536, 3908164, 4138056, 5411304, 5517408, 5862246, 7215072, 7816328, 8276112, 8793369, 10822608, 11724492, 15632656, 16552224, 17586738, 21645216, 23448984, 31265312, 35173476, 46897968, 70346952, 93795936, 140693904, 281387808]

約数ペア:

[(1, 281387808), (2, 140693904), (3, 93795936), (4, 70346952), (6, 46897968), (8, 35173476), (9, 31265312), (12, 23448984), (13, 21645216), (16, 17586738), (17, 16552224), (18, 15632656), (24, 11724492), (26, 10822608), (32, 8793369), (34, 8276112), (36, 7816328), (39, 7215072), (48, 5862246), (51, 5517408), (52, 5411304), (68, 4138056), (72, 3908164), (78, 3607536), (96, 2931123), (102, 2758704), (104, 2705652), (117, 2405024), (136, 2069028), (144, 1954082), (153, 1839136), (156, 1803768), (204, 1379352), (208, 1352826), (221, 1273248), (234, 1202512), (272, 1034514), (288, 977041), (306, 919568), (312, 901884), (408, 689676), (416, 676413), (442, 636624), (468, 601256), (544, 517257), (612, 459784), (624, 450942), (663, 424416), (816, 344838), (884, 318312), (936, 300628), (1224, 229892), (1248, 225471), (1326, 212208), (1632, 172419), (1768, 159156), (1872, 150314), (1989, 141472), (2448, 114946), (2652, 106104), (3536, 79578), (3744, 75157), (3978, 70736), (4421, 63648), (4896, 57473), (5304, 53052), (7072, 39789), (7956, 35368), (8842, 31824), (10608, 26526), (13263, 21216), (15912, 17684)]