211258440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{907}}^1$

素因数の和:1571

約数の個数: 96

約数和(自身を含む): 688409280

約数和(自身を除く): 477150840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 647, 907, 1294, 1814, 1941, 2588, 2721, 3235, 3628, 3882, 4535, 5176, 5442, 5823, 6470, 7256, 7764, 8163, 9070, 9705, 10884, 11646, 12940, 13605, 15528, 16326, 18140, 19410, 21768, 23292, 25880, 27210, 29115, 32652, 36280, 38820, 40815, 46584, 54420, 58230, 65304, 77640, 81630, 108840, 116460, 163260, 232920, 326520, 586829, 1173658, 1760487, 2347316, 2934145, 3520974, 4694632, 5281461, 5868290, 7041948, 8802435, 10562922, 11736580, 14083896, 17604870, 21125844, 23473160, 26407305, 35209740, 42251688, 52814610, 70419480, 105629220, 211258440]

約数ペア:

[(1, 211258440), (2, 105629220), (3, 70419480), (4, 52814610), (5, 42251688), (6, 35209740), (8, 26407305), (9, 23473160), (10, 21125844), (12, 17604870), (15, 14083896), (18, 11736580), (20, 10562922), (24, 8802435), (30, 7041948), (36, 5868290), (40, 5281461), (45, 4694632), (60, 3520974), (72, 2934145), (90, 2347316), (120, 1760487), (180, 1173658), (360, 586829), (647, 326520), (907, 232920), (1294, 163260), (1814, 116460), (1941, 108840), (2588, 81630), (2721, 77640), (3235, 65304), (3628, 58230), (3882, 54420), (4535, 46584), (5176, 40815), (5442, 38820), (5823, 36280), (6470, 32652), (7256, 29115), (7764, 27210), (8163, 25880), (9070, 23292), (9705, 21768), (10884, 19410), (11646, 18140), (12940, 16326), (13605, 15528)]