28278833920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^3\times {\mathrm{3221}}^1$

素因数の和:3299

約数の個数: 144

約数和(自身を含む): 71521440480

約数和(自身を除く): 43242606560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 361, 380, 608, 640, 722, 760, 1216, 1280, 1444, 1520, 1805, 2432, 2888, 3040, 3221, 3610, 4864, 5776, 6080, 6442, 6859, 7220, 11552, 12160, 12884, 13718, 14440, 16105, 23104, 24320, 25768, 27436, 28880, 32210, 34295, 46208, 51536, 54872, 57760, 61199, 64420, 68590, 92416, 103072, 109744, 115520, 122398, 128840, 137180, 206144, 219488, 231040, 244796, 257680, 274360, 305995, 412288, 438976, 462080, 489592, 515360, 548720, 611990, 824576, 877952, 979184, 1030720, 1097440, 1162781, 1223980, 1755904, 1958368, 2061440, 2194880, 2325562, 2447960, 3916736, 4122880, 4389760, 4651124, 4895920, 5813905, 7833472, 8779520, 9302248, 9791840, 11627810, 15666944, 18604496, 19583680, 22092839, 23255620, 37208992, 39167360, 44185678, 46511240, 74417984, 78334720, 88371356, 93022480, 110464195, 148835968, 176742712, 186044960, 220928390, 297671936, 353485424, 372089920, 441856780, 706970848, 744179840, 883713560, 1413941696, 1488359680, 1767427120, 2827883392, 3534854240, 5655766784, 7069708480, 14139416960, 28278833920]

約数ペア:

[(1, 28278833920), (2, 14139416960), (4, 7069708480), (5, 5655766784), (8, 3534854240), (10, 2827883392), (16, 1767427120), (19, 1488359680), (20, 1413941696), (32, 883713560), (38, 744179840), (40, 706970848), (64, 441856780), (76, 372089920), (80, 353485424), (95, 297671936), (128, 220928390), (152, 186044960), (160, 176742712), (190, 148835968), (256, 110464195), (304, 93022480), (320, 88371356), (361, 78334720), (380, 74417984), (608, 46511240), (640, 44185678), (722, 39167360), (760, 37208992), (1216, 23255620), (1280, 22092839), (1444, 19583680), (1520, 18604496), (1805, 15666944), (2432, 11627810), (2888, 9791840), (3040, 9302248), (3221, 8779520), (3610, 7833472), (4864, 5813905), (5776, 4895920), (6080, 4651124), (6442, 4389760), (6859, 4122880), (7220, 3916736), (11552, 2447960), (12160, 2325562), (12884, 2194880), (13718, 2061440), (14440, 1958368), (16105, 1755904), (23104, 1223980), (24320, 1162781), (25768, 1097440), (27436, 1030720), (28880, 979184), (32210, 877952), (34295, 824576), (46208, 611990), (51536, 548720), (54872, 515360), (57760, 489592), (61199, 462080), (64420, 438976), (68590, 412288), (92416, 305995), (103072, 274360), (109744, 257680), (115520, 244796), (122398, 231040), (128840, 219488), (137180, 206144)]