259427840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:528

約数の個数: 160

約数和(自身を含む): 735381504

約数和(自身を除く): 475953664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 467, 496, 512, 560, 620, 640, 868, 896, 934, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1868, 1984, 2170, 2240, 2335, 2480, 2560, 3269, 3472, 3584, 3736, 3968, 4340, 4480, 4670, 4960, 6538, 6944, 7472, 7936, 8680, 8960, 9340, 9920, 13076, 13888, 14477, 14944, 15872, 16345, 17360, 17920, 18680, 19840, 26152, 27776, 28954, 29888, 32690, 34720, 37360, 39680, 52304, 55552, 57908, 59776, 65380, 69440, 72385, 74720, 79360, 101339, 104608, 111104, 115816, 119552, 130760, 138880, 144770, 149440, 202678, 209216, 231632, 239104, 261520, 277760, 289540, 298880, 405356, 418432, 463264, 506695, 523040, 555520, 579080, 597760, 810712, 836864, 926528, 1013390, 1046080, 1158160, 1195520, 1621424, 1673728, 1853056, 2026780, 2092160, 2316320, 3242848, 3706112, 4053560, 4184320, 4632640, 6485696, 7412224, 8107120, 8368640, 9265280, 12971392, 16214240, 18530560, 25942784, 32428480, 37061120, 51885568, 64856960, 129713920, 259427840]

約数ペア:

[(1, 259427840), (2, 129713920), (4, 64856960), (5, 51885568), (7, 37061120), (8, 32428480), (10, 25942784), (14, 18530560), (16, 16214240), (20, 12971392), (28, 9265280), (31, 8368640), (32, 8107120), (35, 7412224), (40, 6485696), (56, 4632640), (62, 4184320), (64, 4053560), (70, 3706112), (80, 3242848), (112, 2316320), (124, 2092160), (128, 2026780), (140, 1853056), (155, 1673728), (160, 1621424), (217, 1195520), (224, 1158160), (248, 1046080), (256, 1013390), (280, 926528), (310, 836864), (320, 810712), (434, 597760), (448, 579080), (467, 555520), (496, 523040), (512, 506695), (560, 463264), (620, 418432), (640, 405356), (868, 298880), (896, 289540), (934, 277760), (992, 261520), (1085, 239104), (1120, 231632), (1240, 209216), (1280, 202678), (1736, 149440), (1792, 144770), (1868, 138880), (1984, 130760), (2170, 119552), (2240, 115816), (2335, 111104), (2480, 104608), (2560, 101339), (3269, 79360), (3472, 74720), (3584, 72385), (3736, 69440), (3968, 65380), (4340, 59776), (4480, 57908), (4670, 55552), (4960, 52304), (6538, 39680), (6944, 37360), (7472, 34720), (7936, 32690), (8680, 29888), (8960, 28954), (9340, 27776), (9920, 26152), (13076, 19840), (13888, 18680), (14477, 17920), (14944, 17360), (15872, 16345)]