28301760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 168

約数和(自身を含む): 100803456

約数和(自身を除く): 72501696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 317, 320, 360, 372, 465, 480, 496, 558, 576, 620, 634, 720, 744, 930, 951, 960, 992, 1116, 1240, 1268, 1395, 1440, 1488, 1585, 1860, 1902, 1984, 2232, 2480, 2536, 2790, 2853, 2880, 2976, 3170, 3720, 3804, 4464, 4755, 4960, 5072, 5580, 5706, 5952, 6340, 7440, 7608, 8928, 9510, 9827, 9920, 10144, 11160, 11412, 12680, 14265, 14880, 15216, 17856, 19020, 19654, 20288, 22320, 22824, 25360, 28530, 29481, 29760, 30432, 38040, 39308, 44640, 45648, 49135, 50720, 57060, 58962, 60864, 76080, 78616, 88443, 89280, 91296, 98270, 101440, 114120, 117924, 147405, 152160, 157232, 176886, 182592, 196540, 228240, 235848, 294810, 304320, 314464, 353772, 393080, 442215, 456480, 471696, 589620, 628928, 707544, 786160, 884430, 912960, 943392, 1179240, 1415088, 1572320, 1768860, 1886784, 2358480, 2830176, 3144640, 3537720, 4716960, 5660352, 7075440, 9433920, 14150880, 28301760]

約数ペア:

[(1, 28301760), (2, 14150880), (3, 9433920), (4, 7075440), (5, 5660352), (6, 4716960), (8, 3537720), (9, 3144640), (10, 2830176), (12, 2358480), (15, 1886784), (16, 1768860), (18, 1572320), (20, 1415088), (24, 1179240), (30, 943392), (31, 912960), (32, 884430), (36, 786160), (40, 707544), (45, 628928), (48, 589620), (60, 471696), (62, 456480), (64, 442215), (72, 393080), (80, 353772), (90, 314464), (93, 304320), (96, 294810), (120, 235848), (124, 228240), (144, 196540), (155, 182592), (160, 176886), (180, 157232), (186, 152160), (192, 147405), (240, 117924), (248, 114120), (279, 101440), (288, 98270), (310, 91296), (317, 89280), (320, 88443), (360, 78616), (372, 76080), (465, 60864), (480, 58962), (496, 57060), (558, 50720), (576, 49135), (620, 45648), (634, 44640), (720, 39308), (744, 38040), (930, 30432), (951, 29760), (960, 29481), (992, 28530), (1116, 25360), (1240, 22824), (1268, 22320), (1395, 20288), (1440, 19654), (1488, 19020), (1585, 17856), (1860, 15216), (1902, 14880), (1984, 14265), (2232, 12680), (2480, 11412), (2536, 11160), (2790, 10144), (2853, 9920), (2880, 9827), (2976, 9510), (3170, 8928), (3720, 7608), (3804, 7440), (4464, 6340), (4755, 5952), (4960, 5706), (5072, 5580)]