663452240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2683}}^1$

素因数の和:2988

約数の個数: 80

約数和(自身を含む): 1689374016

約数和(自身を除く): 1025921776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 281, 440, 562, 880, 1124, 1405, 2248, 2683, 2810, 3091, 4496, 5366, 5620, 6182, 10732, 11240, 12364, 13415, 15455, 21464, 22480, 24728, 26830, 29513, 30910, 42928, 49456, 53660, 59026, 61820, 107320, 118052, 123640, 147565, 214640, 236104, 247280, 295130, 472208, 590260, 753923, 1180520, 1507846, 2361040, 3015692, 3769615, 6031384, 7539230, 8293153, 12062768, 15078460, 16586306, 30156920, 33172612, 41465765, 60313840, 66345224, 82931530, 132690448, 165863060, 331726120, 663452240]

約数ペア:

[(1, 663452240), (2, 331726120), (4, 165863060), (5, 132690448), (8, 82931530), (10, 66345224), (11, 60313840), (16, 41465765), (20, 33172612), (22, 30156920), (40, 16586306), (44, 15078460), (55, 12062768), (80, 8293153), (88, 7539230), (110, 6031384), (176, 3769615), (220, 3015692), (281, 2361040), (440, 1507846), (562, 1180520), (880, 753923), (1124, 590260), (1405, 472208), (2248, 295130), (2683, 247280), (2810, 236104), (3091, 214640), (4496, 147565), (5366, 123640), (5620, 118052), (6182, 107320), (10732, 61820), (11240, 59026), (12364, 53660), (13415, 49456), (15455, 42928), (21464, 30910), (22480, 29513), (24728, 26830)]