18290755280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{607}}^1\times {\mathrm{7687}}^1$

素因数の和:8321

約数の個数: 120

約数和(自身を含む): 49556971008

約数和(自身を除く): 31266215728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 607, 784, 980, 1214, 1960, 2428, 3035, 3920, 4249, 4856, 6070, 7687, 8498, 9712, 12140, 15374, 16996, 21245, 24280, 29743, 30748, 33992, 38435, 42490, 48560, 53809, 59486, 61496, 67984, 76870, 84980, 107618, 118972, 122992, 148715, 153740, 169960, 215236, 237944, 269045, 297430, 307480, 339920, 376663, 430472, 475888, 538090, 594860, 614960, 753326, 860944, 1076180, 1189720, 1506652, 1883315, 2152360, 2379440, 3013304, 3766630, 4304720, 4666009, 6026608, 7533260, 9332018, 15066520, 18664036, 23330045, 30133040, 32662063, 37328072, 46660090, 65324126, 74656144, 93320180, 130648252, 163310315, 186640360, 228634441, 261296504, 326620630, 373280720, 457268882, 522593008, 653241260, 914537764, 1143172205, 1306482520, 1829075528, 2286344410, 2612965040, 3658151056, 4572688820, 9145377640, 18290755280]

約数ペア:

[(1, 18290755280), (2, 9145377640), (4, 4572688820), (5, 3658151056), (7, 2612965040), (8, 2286344410), (10, 1829075528), (14, 1306482520), (16, 1143172205), (20, 914537764), (28, 653241260), (35, 522593008), (40, 457268882), (49, 373280720), (56, 326620630), (70, 261296504), (80, 228634441), (98, 186640360), (112, 163310315), (140, 130648252), (196, 93320180), (245, 74656144), (280, 65324126), (392, 46660090), (490, 37328072), (560, 32662063), (607, 30133040), (784, 23330045), (980, 18664036), (1214, 15066520), (1960, 9332018), (2428, 7533260), (3035, 6026608), (3920, 4666009), (4249, 4304720), (4856, 3766630), (6070, 3013304), (7687, 2379440), (8498, 2152360), (9712, 1883315), (12140, 1506652), (15374, 1189720), (16996, 1076180), (21245, 860944), (24280, 753326), (29743, 614960), (30748, 594860), (33992, 538090), (38435, 475888), (42490, 430472), (48560, 376663), (53809, 339920), (59486, 307480), (61496, 297430), (67984, 269045), (76870, 237944), (84980, 215236), (107618, 169960), (118972, 153740), (122992, 148715)]