1289723520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9461}}^1$

素因数の和:9554

約数の個数: 128

約数和(自身を含む): 4169335680

約数和(自身を除く): 2879612160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 284, 320, 355, 384, 426, 480, 568, 640, 710, 852, 960, 1065, 1136, 1420, 1704, 1920, 2130, 2272, 2840, 3408, 4260, 4544, 5680, 6816, 8520, 9088, 9461, 11360, 13632, 17040, 18922, 22720, 27264, 28383, 34080, 37844, 45440, 47305, 56766, 68160, 75688, 94610, 113532, 136320, 141915, 151376, 189220, 227064, 283830, 302752, 378440, 454128, 567660, 605504, 671731, 756880, 908256, 1135320, 1211008, 1343462, 1513760, 1816512, 2015193, 2270640, 2686924, 3027520, 3358655, 3633024, 4030386, 4541280, 5373848, 6055040, 6717310, 8060772, 9082560, 10075965, 10747696, 13434620, 16121544, 18165120, 20151930, 21495392, 26869240, 32243088, 40303860, 42990784, 53738480, 64486176, 80607720, 85981568, 107476960, 128972352, 161215440, 214953920, 257944704, 322430880, 429907840, 644861760, 1289723520]

約数ペア:

[(1, 1289723520), (2, 644861760), (3, 429907840), (4, 322430880), (5, 257944704), (6, 214953920), (8, 161215440), (10, 128972352), (12, 107476960), (15, 85981568), (16, 80607720), (20, 64486176), (24, 53738480), (30, 42990784), (32, 40303860), (40, 32243088), (48, 26869240), (60, 21495392), (64, 20151930), (71, 18165120), (80, 16121544), (96, 13434620), (120, 10747696), (128, 10075965), (142, 9082560), (160, 8060772), (192, 6717310), (213, 6055040), (240, 5373848), (284, 4541280), (320, 4030386), (355, 3633024), (384, 3358655), (426, 3027520), (480, 2686924), (568, 2270640), (640, 2015193), (710, 1816512), (852, 1513760), (960, 1343462), (1065, 1211008), (1136, 1135320), (1420, 908256), (1704, 756880), (1920, 671731), (2130, 605504), (2272, 567660), (2840, 454128), (3408, 378440), (4260, 302752), (4544, 283830), (5680, 227064), (6816, 189220), (8520, 151376), (9088, 141915), (9461, 136320), (11360, 113532), (13632, 94610), (17040, 75688), (18922, 68160), (22720, 56766), (27264, 47305), (28383, 45440), (34080, 37844)]