1289746480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1295

約数の個数: 160

約数和(自身を含む): 3514114368

約数和(自身を除く): 2224367888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 73, 80, 85, 88, 110, 136, 146, 170, 176, 187, 220, 272, 292, 340, 365, 374, 440, 584, 680, 730, 748, 803, 880, 935, 1168, 1181, 1241, 1360, 1460, 1496, 1606, 1870, 2362, 2482, 2920, 2992, 3212, 3740, 4015, 4724, 4964, 5840, 5905, 6205, 6424, 7480, 8030, 9448, 9928, 11810, 12410, 12848, 12991, 13651, 14960, 16060, 18896, 19856, 20077, 23620, 24820, 25982, 27302, 32120, 40154, 47240, 49640, 51964, 54604, 64240, 64955, 68255, 80308, 86213, 94480, 99280, 100385, 103928, 109208, 129910, 136510, 160616, 172426, 200770, 207856, 218416, 220847, 259820, 273020, 321232, 344852, 401540, 431065, 441694, 519640, 546040, 689704, 803080, 862130, 883388, 948343, 1039280, 1092080, 1104235, 1379408, 1465621, 1606160, 1724260, 1766776, 1896686, 2208470, 2931242, 3448520, 3533552, 3793372, 4416940, 4741715, 5862484, 6897040, 7328105, 7586744, 8833880, 9483430, 11724968, 14656210, 15173488, 16121831, 17667760, 18966860, 23449936, 29312420, 32243662, 37933720, 58624840, 64487324, 75867440, 80609155, 117249680, 128974648, 161218310, 257949296, 322436620, 644873240, 1289746480]

約数ペア:

[(1, 1289746480), (2, 644873240), (4, 322436620), (5, 257949296), (8, 161218310), (10, 128974648), (11, 117249680), (16, 80609155), (17, 75867440), (20, 64487324), (22, 58624840), (34, 37933720), (40, 32243662), (44, 29312420), (55, 23449936), (68, 18966860), (73, 17667760), (80, 16121831), (85, 15173488), (88, 14656210), (110, 11724968), (136, 9483430), (146, 8833880), (170, 7586744), (176, 7328105), (187, 6897040), (220, 5862484), (272, 4741715), (292, 4416940), (340, 3793372), (365, 3533552), (374, 3448520), (440, 2931242), (584, 2208470), (680, 1896686), (730, 1766776), (748, 1724260), (803, 1606160), (880, 1465621), (935, 1379408), (1168, 1104235), (1181, 1092080), (1241, 1039280), (1360, 948343), (1460, 883388), (1496, 862130), (1606, 803080), (1870, 689704), (2362, 546040), (2482, 519640), (2920, 441694), (2992, 431065), (3212, 401540), (3740, 344852), (4015, 321232), (4724, 273020), (4964, 259820), (5840, 220847), (5905, 218416), (6205, 207856), (6424, 200770), (7480, 172426), (8030, 160616), (9448, 136510), (9928, 129910), (11810, 109208), (12410, 103928), (12848, 100385), (12991, 99280), (13651, 94480), (14960, 86213), (16060, 80308), (18896, 68255), (19856, 64955), (20077, 64240), (23620, 54604), (24820, 51964), (25982, 49640), (27302, 47240), (32120, 40154)]