30687840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 106260336

約数和(自身を除く): 75572496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 101, 120, 144, 160, 180, 202, 211, 240, 288, 303, 360, 404, 422, 480, 505, 606, 633, 720, 808, 844, 909, 1010, 1055, 1212, 1266, 1440, 1515, 1616, 1688, 1818, 1899, 2020, 2110, 2424, 2532, 3030, 3165, 3232, 3376, 3636, 3798, 4040, 4220, 4545, 4848, 5064, 6060, 6330, 6752, 7272, 7596, 8080, 8440, 9090, 9495, 9696, 10128, 12120, 12660, 14544, 15192, 16160, 16880, 18180, 18990, 20256, 21311, 24240, 25320, 29088, 30384, 33760, 36360, 37980, 42622, 48480, 50640, 60768, 63933, 72720, 75960, 85244, 101280, 106555, 127866, 145440, 151920, 170488, 191799, 213110, 255732, 303840, 319665, 340976, 383598, 426220, 511464, 639330, 681952, 767196, 852440, 958995, 1022928, 1278660, 1534392, 1704880, 1917990, 2045856, 2557320, 3068784, 3409760, 3835980, 5114640, 6137568, 7671960, 10229280, 15343920, 30687840]

約数ペア:

[(1, 30687840), (2, 15343920), (3, 10229280), (4, 7671960), (5, 6137568), (6, 5114640), (8, 3835980), (9, 3409760), (10, 3068784), (12, 2557320), (15, 2045856), (16, 1917990), (18, 1704880), (20, 1534392), (24, 1278660), (30, 1022928), (32, 958995), (36, 852440), (40, 767196), (45, 681952), (48, 639330), (60, 511464), (72, 426220), (80, 383598), (90, 340976), (96, 319665), (101, 303840), (120, 255732), (144, 213110), (160, 191799), (180, 170488), (202, 151920), (211, 145440), (240, 127866), (288, 106555), (303, 101280), (360, 85244), (404, 75960), (422, 72720), (480, 63933), (505, 60768), (606, 50640), (633, 48480), (720, 42622), (808, 37980), (844, 36360), (909, 33760), (1010, 30384), (1055, 29088), (1212, 25320), (1266, 24240), (1440, 21311), (1515, 20256), (1616, 18990), (1688, 18180), (1818, 16880), (1899, 16160), (2020, 15192), (2110, 14544), (2424, 12660), (2532, 12120), (3030, 10128), (3165, 9696), (3232, 9495), (3376, 9090), (3636, 8440), (3798, 8080), (4040, 7596), (4220, 7272), (4545, 6752), (4848, 6330), (5064, 6060)]