221584160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 618238656

約数和(自身を除く): 396654496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 80, 86, 107, 112, 140, 160, 172, 214, 215, 224, 280, 301, 344, 428, 430, 535, 560, 602, 688, 749, 856, 860, 1070, 1120, 1204, 1376, 1498, 1505, 1712, 1720, 1849, 2140, 2408, 2996, 3010, 3424, 3440, 3698, 3745, 4280, 4601, 4816, 5992, 6020, 6880, 7396, 7490, 8560, 9202, 9245, 9632, 11984, 12040, 12943, 14792, 14980, 17120, 18404, 18490, 23005, 23968, 24080, 25886, 29584, 29960, 32207, 36808, 36980, 46010, 48160, 51772, 59168, 59920, 64414, 64715, 73616, 73960, 92020, 103544, 119840, 128828, 129430, 147232, 147920, 161035, 184040, 197843, 207088, 257656, 258860, 295840, 322070, 368080, 395686, 414176, 515312, 517720, 644140, 736160, 791372, 989215, 1030624, 1035440, 1288280, 1384901, 1582744, 1978430, 2070880, 2576560, 2769802, 3165488, 3956860, 5153120, 5539604, 6330976, 6924505, 7913720, 11079208, 13849010, 15827440, 22158416, 27698020, 31654880, 44316832, 55396040, 110792080, 221584160]

約数ペア:

[(1, 221584160), (2, 110792080), (4, 55396040), (5, 44316832), (7, 31654880), (8, 27698020), (10, 22158416), (14, 15827440), (16, 13849010), (20, 11079208), (28, 7913720), (32, 6924505), (35, 6330976), (40, 5539604), (43, 5153120), (56, 3956860), (70, 3165488), (80, 2769802), (86, 2576560), (107, 2070880), (112, 1978430), (140, 1582744), (160, 1384901), (172, 1288280), (214, 1035440), (215, 1030624), (224, 989215), (280, 791372), (301, 736160), (344, 644140), (428, 517720), (430, 515312), (535, 414176), (560, 395686), (602, 368080), (688, 322070), (749, 295840), (856, 258860), (860, 257656), (1070, 207088), (1120, 197843), (1204, 184040), (1376, 161035), (1498, 147920), (1505, 147232), (1712, 129430), (1720, 128828), (1849, 119840), (2140, 103544), (2408, 92020), (2996, 73960), (3010, 73616), (3424, 64715), (3440, 64414), (3698, 59920), (3745, 59168), (4280, 51772), (4601, 48160), (4816, 46010), (5992, 36980), (6020, 36808), (6880, 32207), (7396, 29960), (7490, 29584), (8560, 25886), (9202, 24080), (9245, 23968), (9632, 23005), (11984, 18490), (12040, 18404), (12943, 17120), (14792, 14980)]