2154880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 128

約数和(自身を含む): 6511680

約数和(自身を除く): 4356800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 64, 65, 70, 74, 80, 91, 104, 112, 128, 130, 140, 148, 160, 182, 185, 208, 224, 259, 260, 280, 296, 320, 364, 370, 416, 448, 455, 481, 518, 520, 560, 592, 640, 728, 740, 832, 896, 910, 962, 1036, 1040, 1120, 1184, 1295, 1456, 1480, 1664, 1820, 1924, 2072, 2080, 2240, 2368, 2405, 2590, 2912, 2960, 3367, 3640, 3848, 4144, 4160, 4480, 4736, 4810, 5180, 5824, 5920, 6734, 7280, 7696, 8288, 8320, 9620, 10360, 11648, 11840, 13468, 14560, 15392, 16576, 16835, 19240, 20720, 23680, 26936, 29120, 30784, 33152, 33670, 38480, 41440, 53872, 58240, 61568, 67340, 76960, 82880, 107744, 134680, 153920, 165760, 215488, 269360, 307840, 430976, 538720, 1077440, 2154880]

約数ペア:

[(1, 2154880), (2, 1077440), (4, 538720), (5, 430976), (7, 307840), (8, 269360), (10, 215488), (13, 165760), (14, 153920), (16, 134680), (20, 107744), (26, 82880), (28, 76960), (32, 67340), (35, 61568), (37, 58240), (40, 53872), (52, 41440), (56, 38480), (64, 33670), (65, 33152), (70, 30784), (74, 29120), (80, 26936), (91, 23680), (104, 20720), (112, 19240), (128, 16835), (130, 16576), (140, 15392), (148, 14560), (160, 13468), (182, 11840), (185, 11648), (208, 10360), (224, 9620), (259, 8320), (260, 8288), (280, 7696), (296, 7280), (320, 6734), (364, 5920), (370, 5824), (416, 5180), (448, 4810), (455, 4736), (481, 4480), (518, 4160), (520, 4144), (560, 3848), (592, 3640), (640, 3367), (728, 2960), (740, 2912), (832, 2590), (896, 2405), (910, 2368), (962, 2240), (1036, 2080), (1040, 2072), (1120, 1924), (1184, 1820), (1295, 1664), (1456, 1480)]