278490660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1847}}^1$

素因数の和:2225

約数の個数: 96

約数和(自身を含む): 894136320

約数和(自身を除く): 615645660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 359, 420, 718, 1077, 1436, 1795, 1847, 2154, 2513, 3590, 3694, 4308, 5026, 5385, 5541, 7180, 7388, 7539, 9235, 10052, 10770, 11082, 12565, 12929, 15078, 18470, 21540, 22164, 25130, 25858, 27705, 30156, 36940, 37695, 38787, 50260, 51716, 55410, 64645, 75390, 77574, 110820, 129290, 150780, 155148, 193935, 258580, 387870, 663073, 775740, 1326146, 1989219, 2652292, 3315365, 3978438, 4641511, 6630730, 7956876, 9283022, 9946095, 13261460, 13924533, 18566044, 19892190, 23207555, 27849066, 39784380, 46415110, 55698132, 69622665, 92830220, 139245330, 278490660]

約数ペア:

[(1, 278490660), (2, 139245330), (3, 92830220), (4, 69622665), (5, 55698132), (6, 46415110), (7, 39784380), (10, 27849066), (12, 23207555), (14, 19892190), (15, 18566044), (20, 13924533), (21, 13261460), (28, 9946095), (30, 9283022), (35, 7956876), (42, 6630730), (60, 4641511), (70, 3978438), (84, 3315365), (105, 2652292), (140, 1989219), (210, 1326146), (359, 775740), (420, 663073), (718, 387870), (1077, 258580), (1436, 193935), (1795, 155148), (1847, 150780), (2154, 129290), (2513, 110820), (3590, 77574), (3694, 75390), (4308, 64645), (5026, 55410), (5385, 51716), (5541, 50260), (7180, 38787), (7388, 37695), (7539, 36940), (9235, 30156), (10052, 27705), (10770, 25858), (11082, 25130), (12565, 22164), (12929, 21540), (15078, 18470)]