53257880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 138741120

約数和(自身を除く): 85483240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 61, 65, 73, 92, 104, 115, 122, 130, 146, 184, 230, 244, 260, 292, 299, 305, 365, 460, 488, 520, 584, 598, 610, 730, 793, 920, 949, 1196, 1220, 1403, 1460, 1495, 1586, 1679, 1898, 2392, 2440, 2806, 2920, 2990, 3172, 3358, 3796, 3965, 4453, 4745, 5612, 5980, 6344, 6716, 7015, 7592, 7930, 8395, 8906, 9490, 11224, 11960, 13432, 14030, 15860, 16790, 17812, 18239, 18980, 21827, 22265, 28060, 31720, 33580, 35624, 36478, 37960, 43654, 44530, 56120, 57889, 67160, 72956, 87308, 89060, 91195, 102419, 109135, 115778, 145912, 174616, 178120, 182390, 204838, 218270, 231556, 289445, 364780, 409676, 436540, 463112, 512095, 578890, 729560, 819352, 873080, 1024190, 1157780, 1331447, 2048380, 2315560, 2662894, 4096760, 5325788, 6657235, 10651576, 13314470, 26628940, 53257880]

約数ペア:

[(1, 53257880), (2, 26628940), (4, 13314470), (5, 10651576), (8, 6657235), (10, 5325788), (13, 4096760), (20, 2662894), (23, 2315560), (26, 2048380), (40, 1331447), (46, 1157780), (52, 1024190), (61, 873080), (65, 819352), (73, 729560), (92, 578890), (104, 512095), (115, 463112), (122, 436540), (130, 409676), (146, 364780), (184, 289445), (230, 231556), (244, 218270), (260, 204838), (292, 182390), (299, 178120), (305, 174616), (365, 145912), (460, 115778), (488, 109135), (520, 102419), (584, 91195), (598, 89060), (610, 87308), (730, 72956), (793, 67160), (920, 57889), (949, 56120), (1196, 44530), (1220, 43654), (1403, 37960), (1460, 36478), (1495, 35624), (1586, 33580), (1679, 31720), (1898, 28060), (2392, 22265), (2440, 21827), (2806, 18980), (2920, 18239), (2990, 17812), (3172, 16790), (3358, 15860), (3796, 14030), (3965, 13432), (4453, 11960), (4745, 11224), (5612, 9490), (5980, 8906), (6344, 8395), (6716, 7930), (7015, 7592)]