660778128

素因数分解:

$2^4\times 3^3\times {\mathrm{457}}^1\times {\mathrm{3347}}^1$

素因数の和:3821

約数の個数: 80

約数和(自身を含む): 1901396160

約数和(自身を除く): 1240618032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 457, 914, 1371, 1828, 2742, 3347, 3656, 4113, 5484, 6694, 7312, 8226, 10041, 10968, 12339, 13388, 16452, 20082, 21936, 24678, 26776, 30123, 32904, 40164, 49356, 53552, 60246, 65808, 80328, 90369, 98712, 120492, 160656, 180738, 197424, 240984, 361476, 481968, 722952, 1445904, 1529579, 3059158, 4588737, 6118316, 9177474, 12236632, 13766211, 18354948, 24473264, 27532422, 36709896, 41298633, 55064844, 73419792, 82597266, 110129688, 165194532, 220259376, 330389064, 660778128]

約数ペア:

[(1, 660778128), (2, 330389064), (3, 220259376), (4, 165194532), (6, 110129688), (8, 82597266), (9, 73419792), (12, 55064844), (16, 41298633), (18, 36709896), (24, 27532422), (27, 24473264), (36, 18354948), (48, 13766211), (54, 12236632), (72, 9177474), (108, 6118316), (144, 4588737), (216, 3059158), (432, 1529579), (457, 1445904), (914, 722952), (1371, 481968), (1828, 361476), (2742, 240984), (3347, 197424), (3656, 180738), (4113, 160656), (5484, 120492), (6694, 98712), (7312, 90369), (8226, 80328), (10041, 65808), (10968, 60246), (12339, 53552), (13388, 49356), (16452, 40164), (20082, 32904), (21936, 30123), (24678, 26776)]