221207520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 725034240

約数和(自身を除く): 503826720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 73, 80, 96, 107, 118, 120, 146, 160, 177, 214, 219, 236, 240, 292, 295, 321, 354, 365, 428, 438, 472, 480, 535, 584, 590, 642, 708, 730, 856, 876, 885, 944, 1070, 1095, 1168, 1180, 1284, 1416, 1460, 1605, 1712, 1752, 1770, 1888, 2140, 2190, 2336, 2360, 2568, 2832, 2920, 3210, 3424, 3504, 3540, 4280, 4307, 4380, 4720, 5136, 5664, 5840, 6313, 6420, 7008, 7080, 7811, 8560, 8614, 8760, 9440, 10272, 11680, 12626, 12840, 12921, 14160, 15622, 17120, 17228, 17520, 18939, 21535, 23433, 25252, 25680, 25842, 28320, 31244, 31565, 34456, 35040, 37878, 39055, 43070, 46866, 50504, 51360, 51684, 62488, 63130, 64605, 68912, 75756, 78110, 86140, 93732, 94695, 101008, 103368, 117165, 124976, 126260, 129210, 137824, 151512, 156220, 172280, 187464, 189390, 202016, 206736, 234330, 249952, 252520, 258420, 303024, 312440, 344560, 374928, 378780, 413472, 460849, 468660, 505040, 516840, 606048, 624880, 689120, 749856, 757560, 921698, 937320, 1010080, 1033680, 1249760, 1382547, 1515120, 1843396, 1874640, 2067360, 2304245, 2765094, 3030240, 3686792, 3749280, 4608490, 5530188, 6912735, 7373584, 9216980, 11060376, 13825470, 14747168, 18433960, 22120752, 27650940, 36867920, 44241504, 55301880, 73735840, 110603760, 221207520]

約数ペア:

[(1, 221207520), (2, 110603760), (3, 73735840), (4, 55301880), (5, 44241504), (6, 36867920), (8, 27650940), (10, 22120752), (12, 18433960), (15, 14747168), (16, 13825470), (20, 11060376), (24, 9216980), (30, 7373584), (32, 6912735), (40, 5530188), (48, 4608490), (59, 3749280), (60, 3686792), (73, 3030240), (80, 2765094), (96, 2304245), (107, 2067360), (118, 1874640), (120, 1843396), (146, 1515120), (160, 1382547), (177, 1249760), (214, 1033680), (219, 1010080), (236, 937320), (240, 921698), (292, 757560), (295, 749856), (321, 689120), (354, 624880), (365, 606048), (428, 516840), (438, 505040), (472, 468660), (480, 460849), (535, 413472), (584, 378780), (590, 374928), (642, 344560), (708, 312440), (730, 303024), (856, 258420), (876, 252520), (885, 249952), (944, 234330), (1070, 206736), (1095, 202016), (1168, 189390), (1180, 187464), (1284, 172280), (1416, 156220), (1460, 151512), (1605, 137824), (1712, 129210), (1752, 126260), (1770, 124976), (1888, 117165), (2140, 103368), (2190, 101008), (2336, 94695), (2360, 93732), (2568, 86140), (2832, 78110), (2920, 75756), (3210, 68912), (3424, 64605), (3504, 63130), (3540, 62488), (4280, 51684), (4307, 51360), (4380, 50504), (4720, 46866), (5136, 43070), (5664, 39055), (5840, 37878), (6313, 35040), (6420, 34456), (7008, 31565), (7080, 31244), (7811, 28320), (8560, 25842), (8614, 25680), (8760, 25252), (9440, 23433), (10272, 21535), (11680, 18939), (12626, 17520), (12840, 17228), (12921, 17120), (14160, 15622)]