2221303040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2108

約数の個数: 144

約数和(自身を含む): 5880833280

約数和(自身を除く): 3659530240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 128, 158, 160, 176, 220, 256, 316, 320, 352, 395, 440, 632, 640, 704, 790, 869, 880, 1264, 1280, 1408, 1580, 1738, 1760, 1997, 2528, 2816, 3160, 3476, 3520, 3994, 4345, 5056, 6320, 6952, 7040, 7988, 8690, 9985, 10112, 12640, 13904, 14080, 15976, 17380, 19970, 20224, 21967, 25280, 27808, 31952, 34760, 39940, 43934, 50560, 55616, 63904, 69520, 79880, 87868, 101120, 109835, 111232, 127808, 139040, 157763, 159760, 175736, 219670, 222464, 255616, 278080, 315526, 319520, 351472, 439340, 511232, 556160, 631052, 639040, 702944, 788815, 878680, 1112320, 1262104, 1278080, 1405888, 1577630, 1735393, 1757360, 2524208, 2556160, 2811776, 3155260, 3470786, 3514720, 5048416, 5623552, 6310520, 6941572, 7029440, 8676965, 10096832, 12621040, 13883144, 14058880, 17353930, 20193664, 25242080, 27766288, 28117760, 34707860, 40387328, 50484160, 55532576, 69415720, 100968320, 111065152, 138831440, 201936640, 222130304, 277662880, 444260608, 555325760, 1110651520, 2221303040]

約数ペア:

[(1, 2221303040), (2, 1110651520), (4, 555325760), (5, 444260608), (8, 277662880), (10, 222130304), (11, 201936640), (16, 138831440), (20, 111065152), (22, 100968320), (32, 69415720), (40, 55532576), (44, 50484160), (55, 40387328), (64, 34707860), (79, 28117760), (80, 27766288), (88, 25242080), (110, 20193664), (128, 17353930), (158, 14058880), (160, 13883144), (176, 12621040), (220, 10096832), (256, 8676965), (316, 7029440), (320, 6941572), (352, 6310520), (395, 5623552), (440, 5048416), (632, 3514720), (640, 3470786), (704, 3155260), (790, 2811776), (869, 2556160), (880, 2524208), (1264, 1757360), (1280, 1735393), (1408, 1577630), (1580, 1405888), (1738, 1278080), (1760, 1262104), (1997, 1112320), (2528, 878680), (2816, 788815), (3160, 702944), (3476, 639040), (3520, 631052), (3994, 556160), (4345, 511232), (5056, 439340), (6320, 351472), (6952, 319520), (7040, 315526), (7988, 278080), (8690, 255616), (9985, 222464), (10112, 219670), (12640, 175736), (13904, 159760), (14080, 157763), (15976, 139040), (17380, 127808), (19970, 111232), (20224, 109835), (21967, 101120), (25280, 87868), (27808, 79880), (31952, 69520), (34760, 63904), (39940, 55616), (43934, 50560)]