213656640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:964

約数の個数: 112

約数和(自身を含む): 681240192

約数和(自身を除く): 467583552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 457, 480, 487, 914, 960, 974, 1371, 1461, 1828, 1948, 2285, 2435, 2742, 2922, 3656, 3896, 4570, 4870, 5484, 5844, 6855, 7305, 7312, 7792, 9140, 9740, 10968, 11688, 13710, 14610, 14624, 15584, 18280, 19480, 21936, 23376, 27420, 29220, 29248, 31168, 36560, 38960, 43872, 46752, 54840, 58440, 73120, 77920, 87744, 93504, 109680, 116880, 146240, 155840, 219360, 222559, 233760, 438720, 445118, 467520, 667677, 890236, 1112795, 1335354, 1780472, 2225590, 2670708, 3338385, 3560944, 4451180, 5341416, 6676770, 7121888, 8902360, 10682832, 13353540, 14243776, 17804720, 21365664, 26707080, 35609440, 42731328, 53414160, 71218880, 106828320, 213656640]

約数ペア:

[(1, 213656640), (2, 106828320), (3, 71218880), (4, 53414160), (5, 42731328), (6, 35609440), (8, 26707080), (10, 21365664), (12, 17804720), (15, 14243776), (16, 13353540), (20, 10682832), (24, 8902360), (30, 7121888), (32, 6676770), (40, 5341416), (48, 4451180), (60, 3560944), (64, 3338385), (80, 2670708), (96, 2225590), (120, 1780472), (160, 1335354), (192, 1112795), (240, 890236), (320, 667677), (457, 467520), (480, 445118), (487, 438720), (914, 233760), (960, 222559), (974, 219360), (1371, 155840), (1461, 146240), (1828, 116880), (1948, 109680), (2285, 93504), (2435, 87744), (2742, 77920), (2922, 73120), (3656, 58440), (3896, 54840), (4570, 46752), (4870, 43872), (5484, 38960), (5844, 36560), (6855, 31168), (7305, 29248), (7312, 29220), (7792, 27420), (9140, 23376), (9740, 21936), (10968, 19480), (11688, 18280), (13710, 15584), (14610, 14624)]