82560800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 144

約数和(自身を含む): 240734592

約数和(自身を除く): 158173792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 160, 161, 175, 184, 200, 224, 230, 280, 322, 350, 368, 400, 460, 560, 575, 641, 644, 700, 736, 800, 805, 920, 1120, 1150, 1282, 1288, 1400, 1610, 1840, 2300, 2564, 2576, 2800, 3205, 3220, 3680, 4025, 4487, 4600, 5128, 5152, 5600, 6410, 6440, 8050, 8974, 9200, 10256, 12820, 12880, 14743, 16025, 16100, 17948, 18400, 20512, 22435, 25640, 25760, 29486, 32050, 32200, 35896, 44870, 51280, 58972, 64100, 64400, 71792, 73715, 89740, 102560, 103201, 112175, 117944, 128200, 128800, 143584, 147430, 179480, 206402, 224350, 235888, 256400, 294860, 358960, 368575, 412804, 448700, 471776, 512800, 516005, 589720, 717920, 737150, 825608, 897400, 1032010, 1179440, 1474300, 1651216, 1794800, 2064020, 2358880, 2580025, 2948600, 3302432, 3589600, 4128040, 5160050, 5897200, 8256080, 10320100, 11794400, 16512160, 20640200, 41280400, 82560800]

約数ペア:

[(1, 82560800), (2, 41280400), (4, 20640200), (5, 16512160), (7, 11794400), (8, 10320100), (10, 8256080), (14, 5897200), (16, 5160050), (20, 4128040), (23, 3589600), (25, 3302432), (28, 2948600), (32, 2580025), (35, 2358880), (40, 2064020), (46, 1794800), (50, 1651216), (56, 1474300), (70, 1179440), (80, 1032010), (92, 897400), (100, 825608), (112, 737150), (115, 717920), (140, 589720), (160, 516005), (161, 512800), (175, 471776), (184, 448700), (200, 412804), (224, 368575), (230, 358960), (280, 294860), (322, 256400), (350, 235888), (368, 224350), (400, 206402), (460, 179480), (560, 147430), (575, 143584), (641, 128800), (644, 128200), (700, 117944), (736, 112175), (800, 103201), (805, 102560), (920, 89740), (1120, 73715), (1150, 71792), (1282, 64400), (1288, 64100), (1400, 58972), (1610, 51280), (1840, 44870), (2300, 35896), (2564, 32200), (2576, 32050), (2800, 29486), (3205, 25760), (3220, 25640), (3680, 22435), (4025, 20512), (4487, 18400), (4600, 17948), (5128, 16100), (5152, 16025), (5600, 14743), (6410, 12880), (6440, 12820), (8050, 10256), (8974, 9200)]