1312897920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9724

約数の個数: 128

約数和(自身を含む): 4244244480

約数和(自身を除く): 2931346560

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, 9631, 11360, 13632, 17040, 19262, 22720, 27264, 28893, 34080, 38524, 45440, 48155, 57786, 68160, 77048, 96310, 115572, 136320, 144465, 154096, 192620, 231144, 288930, 308192, 385240, 462288, 577860, 616384, 683801, 770480, 924576, 1155720, 1232768, 1367602, 1540960, 1849152, 2051403, 2311440, 2735204, 3081920, 3419005, 3698304, 4102806, 4622880, 5470408, 6163840, 6838010, 8205612, 9245760, 10257015, 10940816, 13676020, 16411224, 18491520, 20514030, 21881632, 27352040, 32822448, 41028060, 43763264, 54704080, 65644896, 82056120, 87526528, 109408160, 131289792, 164112240, 218816320, 262579584, 328224480, 437632640, 656448960, 1312897920]

約数ペア:

[(1, 1312897920), (2, 656448960), (3, 437632640), (4, 328224480), (5, 262579584), (6, 218816320), (8, 164112240), (10, 131289792), (12, 109408160), (15, 87526528), (16, 82056120), (20, 65644896), (24, 54704080), (30, 43763264), (32, 41028060), (40, 32822448), (48, 27352040), (60, 21881632), (64, 20514030), (71, 18491520), (80, 16411224), (96, 13676020), (120, 10940816), (128, 10257015), (142, 9245760), (160, 8205612), (192, 6838010), (213, 6163840), (240, 5470408), (284, 4622880), (320, 4102806), (355, 3698304), (384, 3419005), (426, 3081920), (480, 2735204), (568, 2311440), (640, 2051403), (710, 1849152), (852, 1540960), (960, 1367602), (1065, 1232768), (1136, 1155720), (1420, 924576), (1704, 770480), (1920, 683801), (2130, 616384), (2272, 577860), (2840, 462288), (3408, 385240), (4260, 308192), (4544, 288930), (5680, 231144), (6816, 192620), (8520, 154096), (9088, 144465), (9631, 136320), (11360, 115572), (13632, 96310), (17040, 77048), (19262, 68160), (22720, 57786), (27264, 48155), (28893, 45440), (34080, 38524)]