205615440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{809}}^1$

素因数の和:1181

約数の個数: 120

約数和(自身を含む): 693337320

約数和(自身を除く): 487721880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 353, 360, 706, 720, 809, 1059, 1412, 1618, 1765, 2118, 2427, 2824, 3177, 3236, 3530, 4045, 4236, 4854, 5295, 5648, 6354, 6472, 7060, 7281, 8090, 8472, 9708, 10590, 12135, 12708, 12944, 14120, 14562, 15885, 16180, 16944, 19416, 21180, 24270, 25416, 28240, 29124, 31770, 32360, 36405, 38832, 42360, 48540, 50832, 58248, 63540, 64720, 72810, 84720, 97080, 116496, 127080, 145620, 194160, 254160, 285577, 291240, 571154, 582480, 856731, 1142308, 1427885, 1713462, 2284616, 2570193, 2855770, 3426924, 4283655, 4569232, 5140386, 5711540, 6853848, 8567310, 10280772, 11423080, 12850965, 13707696, 17134620, 20561544, 22846160, 25701930, 34269240, 41123088, 51403860, 68538480, 102807720, 205615440]

約数ペア:

[(1, 205615440), (2, 102807720), (3, 68538480), (4, 51403860), (5, 41123088), (6, 34269240), (8, 25701930), (9, 22846160), (10, 20561544), (12, 17134620), (15, 13707696), (16, 12850965), (18, 11423080), (20, 10280772), (24, 8567310), (30, 6853848), (36, 5711540), (40, 5140386), (45, 4569232), (48, 4283655), (60, 3426924), (72, 2855770), (80, 2570193), (90, 2284616), (120, 1713462), (144, 1427885), (180, 1142308), (240, 856731), (353, 582480), (360, 571154), (706, 291240), (720, 285577), (809, 254160), (1059, 194160), (1412, 145620), (1618, 127080), (1765, 116496), (2118, 97080), (2427, 84720), (2824, 72810), (3177, 64720), (3236, 63540), (3530, 58248), (4045, 50832), (4236, 48540), (4854, 42360), (5295, 38832), (5648, 36405), (6354, 32360), (6472, 31770), (7060, 29124), (7281, 28240), (8090, 25416), (8472, 24270), (9708, 21180), (10590, 19416), (12135, 16944), (12708, 16180), (12944, 15885), (14120, 14562)]