309047680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 785122560

約数和(自身を除く): 476074880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 185, 248, 296, 310, 320, 370, 421, 496, 592, 620, 640, 740, 842, 992, 1147, 1184, 1240, 1480, 1684, 1984, 2105, 2294, 2368, 2480, 2960, 3368, 3968, 4210, 4588, 4736, 4960, 5735, 5920, 6736, 8420, 9176, 9920, 11470, 11840, 13051, 13472, 15577, 16840, 18352, 19840, 22940, 23680, 26102, 26944, 31154, 33680, 36704, 45880, 52204, 53888, 62308, 65255, 67360, 73408, 77885, 91760, 104408, 124616, 130510, 134720, 146816, 155770, 183520, 208816, 249232, 261020, 269440, 311540, 367040, 417632, 482887, 498464, 522040, 623080, 734080, 835264, 965774, 996928, 1044080, 1246160, 1670528, 1931548, 1993856, 2088160, 2414435, 2492320, 3863096, 4176320, 4828870, 4984640, 7726192, 8352640, 9657740, 9969280, 15452384, 19315480, 30904768, 38630960, 61809536, 77261920, 154523840, 309047680]

約数ペア:

[(1, 309047680), (2, 154523840), (4, 77261920), (5, 61809536), (8, 38630960), (10, 30904768), (16, 19315480), (20, 15452384), (31, 9969280), (32, 9657740), (37, 8352640), (40, 7726192), (62, 4984640), (64, 4828870), (74, 4176320), (80, 3863096), (124, 2492320), (128, 2414435), (148, 2088160), (155, 1993856), (160, 1931548), (185, 1670528), (248, 1246160), (296, 1044080), (310, 996928), (320, 965774), (370, 835264), (421, 734080), (496, 623080), (592, 522040), (620, 498464), (640, 482887), (740, 417632), (842, 367040), (992, 311540), (1147, 269440), (1184, 261020), (1240, 249232), (1480, 208816), (1684, 183520), (1984, 155770), (2105, 146816), (2294, 134720), (2368, 130510), (2480, 124616), (2960, 104408), (3368, 91760), (3968, 77885), (4210, 73408), (4588, 67360), (4736, 65255), (4960, 62308), (5735, 53888), (5920, 52204), (6736, 45880), (8420, 36704), (9176, 33680), (9920, 31154), (11470, 26944), (11840, 26102), (13051, 23680), (13472, 22940), (15577, 19840), (16840, 18352)]