239782720

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 112

約数和(自身を含む): 592531200

約数和(自身を除く): 352748480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 107, 149, 160, 188, 214, 235, 298, 320, 376, 428, 470, 535, 596, 745, 752, 856, 940, 1070, 1192, 1490, 1504, 1712, 1880, 2140, 2384, 2980, 3008, 3424, 3760, 4280, 4768, 5029, 5960, 6848, 7003, 7520, 8560, 9536, 10058, 11920, 14006, 15040, 15943, 17120, 20116, 23840, 25145, 28012, 31886, 34240, 35015, 40232, 47680, 50290, 56024, 63772, 70030, 79715, 80464, 100580, 112048, 127544, 140060, 159430, 160928, 201160, 224096, 255088, 280120, 318860, 321856, 402320, 448192, 510176, 560240, 637720, 749321, 804640, 1020352, 1120480, 1275440, 1498642, 1609280, 2240960, 2550880, 2997284, 3746605, 5101760, 5994568, 7493210, 11989136, 14986420, 23978272, 29972840, 47956544, 59945680, 119891360, 239782720]

約数ペア:

[(1, 239782720), (2, 119891360), (4, 59945680), (5, 47956544), (8, 29972840), (10, 23978272), (16, 14986420), (20, 11989136), (32, 7493210), (40, 5994568), (47, 5101760), (64, 3746605), (80, 2997284), (94, 2550880), (107, 2240960), (149, 1609280), (160, 1498642), (188, 1275440), (214, 1120480), (235, 1020352), (298, 804640), (320, 749321), (376, 637720), (428, 560240), (470, 510176), (535, 448192), (596, 402320), (745, 321856), (752, 318860), (856, 280120), (940, 255088), (1070, 224096), (1192, 201160), (1490, 160928), (1504, 159430), (1712, 140060), (1880, 127544), (2140, 112048), (2384, 100580), (2980, 80464), (3008, 79715), (3424, 70030), (3760, 63772), (4280, 56024), (4768, 50290), (5029, 47680), (5960, 40232), (6848, 35015), (7003, 34240), (7520, 31886), (8560, 28012), (9536, 25145), (10058, 23840), (11920, 20116), (14006, 17120), (15040, 15943)]