520690560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:965

約数の個数: 256

約数和(自身を含む): 1867138560

約数和(自身を除く): 1346448000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 115, 120, 128, 130, 138, 156, 160, 184, 192, 195, 208, 230, 240, 260, 276, 299, 312, 320, 345, 368, 384, 390, 416, 460, 480, 520, 552, 598, 624, 640, 690, 736, 780, 832, 897, 907, 920, 960, 1040, 1104, 1196, 1248, 1380, 1472, 1495, 1560, 1664, 1794, 1814, 1840, 1920, 2080, 2208, 2392, 2496, 2721, 2760, 2944, 2990, 3120, 3588, 3628, 3680, 4160, 4416, 4485, 4535, 4784, 4992, 5442, 5520, 5980, 6240, 7176, 7256, 7360, 8320, 8832, 8970, 9070, 9568, 10884, 11040, 11791, 11960, 12480, 13605, 14352, 14512, 14720, 17940, 18140, 19136, 20861, 21768, 22080, 23582, 23920, 24960, 27210, 28704, 29024, 35373, 35880, 36280, 38272, 41722, 43536, 44160, 47164, 47840, 54420, 57408, 58048, 58955, 62583, 70746, 71760, 72560, 83444, 87072, 94328, 95680, 104305, 108840, 114816, 116096, 117910, 125166, 141492, 143520, 145120, 166888, 174144, 176865, 188656, 191360, 208610, 217680, 235820, 250332, 271193, 282984, 287040, 290240, 312915, 333776, 348288, 353730, 377312, 417220, 435360, 471640, 500664, 542386, 565968, 574080, 580480, 625830, 667552, 707460, 754624, 813579, 834440, 870720, 943280, 1001328, 1084772, 1131936, 1251660, 1335104, 1355965, 1414920, 1509248, 1627158, 1668880, 1741440, 1886560, 2002656, 2169544, 2263872, 2503320, 2670208, 2711930, 2829840, 3254316, 3337760, 3773120, 4005312, 4067895, 4339088, 4527744, 5006640, 5423860, 5659680, 6508632, 6675520, 7546240, 8010624, 8135790, 8678176, 10013280, 10847720, 11319360, 13017264, 13351040, 16271580, 17356352, 20026560, 21695440, 22638720, 26034528, 32543160, 34712704, 40053120, 43390880, 52069056, 65086320, 86781760, 104138112, 130172640, 173563520, 260345280, 520690560]

約数ペア:

[(1, 520690560), (2, 260345280), (3, 173563520), (4, 130172640), (5, 104138112), (6, 86781760), (8, 65086320), (10, 52069056), (12, 43390880), (13, 40053120), (15, 34712704), (16, 32543160), (20, 26034528), (23, 22638720), (24, 21695440), (26, 20026560), (30, 17356352), (32, 16271580), (39, 13351040), (40, 13017264), (46, 11319360), (48, 10847720), (52, 10013280), (60, 8678176), (64, 8135790), (65, 8010624), (69, 7546240), (78, 6675520), (80, 6508632), (92, 5659680), (96, 5423860), (104, 5006640), (115, 4527744), (120, 4339088), (128, 4067895), (130, 4005312), (138, 3773120), (156, 3337760), (160, 3254316), (184, 2829840), (192, 2711930), (195, 2670208), (208, 2503320), (230, 2263872), (240, 2169544), (260, 2002656), (276, 1886560), (299, 1741440), (312, 1668880), (320, 1627158), (345, 1509248), (368, 1414920), (384, 1355965), (390, 1335104), (416, 1251660), (460, 1131936), (480, 1084772), (520, 1001328), (552, 943280), (598, 870720), (624, 834440), (640, 813579), (690, 754624), (736, 707460), (780, 667552), (832, 625830), (897, 580480), (907, 574080), (920, 565968), (960, 542386), (1040, 500664), (1104, 471640), (1196, 435360), (1248, 417220), (1380, 377312), (1472, 353730), (1495, 348288), (1560, 333776), (1664, 312915), (1794, 290240), (1814, 287040), (1840, 282984), (1920, 271193), (2080, 250332), (2208, 235820), (2392, 217680), (2496, 208610), (2721, 191360), (2760, 188656), (2944, 176865), (2990, 174144), (3120, 166888), (3588, 145120), (3628, 143520), (3680, 141492), (4160, 125166), (4416, 117910), (4485, 116096), (4535, 114816), (4784, 108840), (4992, 104305), (5442, 95680), (5520, 94328), (5980, 87072), (6240, 83444), (7176, 72560), (7256, 71760), (7360, 70746), (8320, 62583), (8832, 58955), (8970, 58048), (9070, 57408), (9568, 54420), (10884, 47840), (11040, 47164), (11791, 44160), (11960, 43536), (12480, 41722), (13605, 38272), (14352, 36280), (14512, 35880), (14720, 35373), (17940, 29024), (18140, 28704), (19136, 27210), (20861, 24960), (21768, 23920), (22080, 23582)]