72073120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 205548840

約数和(自身を除く): 133475720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 317, 392, 406, 464, 490, 560, 580, 634, 784, 812, 928, 980, 1015, 1120, 1160, 1268, 1421, 1568, 1585, 1624, 1960, 2030, 2219, 2320, 2536, 2842, 3170, 3248, 3920, 4060, 4438, 4640, 5072, 5684, 6340, 6496, 7105, 7840, 8120, 8876, 9193, 10144, 11095, 11368, 12680, 14210, 15533, 16240, 17752, 18386, 22190, 22736, 25360, 28420, 31066, 32480, 35504, 36772, 44380, 45472, 45965, 50720, 56840, 62132, 64351, 71008, 73544, 77665, 88760, 91930, 113680, 124264, 128702, 147088, 155330, 177520, 183860, 227360, 248528, 257404, 294176, 310660, 321755, 355040, 367720, 450457, 497056, 514808, 621320, 643510, 735440, 900914, 1029616, 1242640, 1287020, 1470880, 1801828, 2059232, 2252285, 2485280, 2574040, 3603656, 4504570, 5148080, 7207312, 9009140, 10296160, 14414624, 18018280, 36036560, 72073120]

約数ペア:

[(1, 72073120), (2, 36036560), (4, 18018280), (5, 14414624), (7, 10296160), (8, 9009140), (10, 7207312), (14, 5148080), (16, 4504570), (20, 3603656), (28, 2574040), (29, 2485280), (32, 2252285), (35, 2059232), (40, 1801828), (49, 1470880), (56, 1287020), (58, 1242640), (70, 1029616), (80, 900914), (98, 735440), (112, 643510), (116, 621320), (140, 514808), (145, 497056), (160, 450457), (196, 367720), (203, 355040), (224, 321755), (232, 310660), (245, 294176), (280, 257404), (290, 248528), (317, 227360), (392, 183860), (406, 177520), (464, 155330), (490, 147088), (560, 128702), (580, 124264), (634, 113680), (784, 91930), (812, 88760), (928, 77665), (980, 73544), (1015, 71008), (1120, 64351), (1160, 62132), (1268, 56840), (1421, 50720), (1568, 45965), (1585, 45472), (1624, 44380), (1960, 36772), (2030, 35504), (2219, 32480), (2320, 31066), (2536, 28420), (2842, 25360), (3170, 22736), (3248, 22190), (3920, 18386), (4060, 17752), (4438, 16240), (4640, 15533), (5072, 14210), (5684, 12680), (6340, 11368), (6496, 11095), (7105, 10144), (7840, 9193), (8120, 8876)]