240236480

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:658

約数の個数: 112

約数和(自身を含む): 629838720

約数和(自身を除く): 389602240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 139, 160, 176, 220, 278, 320, 352, 440, 491, 556, 695, 704, 880, 982, 1112, 1390, 1529, 1760, 1964, 2224, 2455, 2780, 3058, 3520, 3928, 4448, 4910, 5401, 5560, 6116, 7645, 7856, 8896, 9820, 10802, 11120, 12232, 15290, 15712, 19640, 21604, 22240, 24464, 27005, 30580, 31424, 39280, 43208, 44480, 48928, 54010, 61160, 68249, 78560, 86416, 97856, 108020, 122320, 136498, 157120, 172832, 216040, 244640, 272996, 341245, 345664, 432080, 489280, 545992, 682490, 750739, 864160, 1091984, 1364980, 1501478, 1728320, 2183968, 2729960, 3002956, 3753695, 4367936, 5459920, 6005912, 7507390, 10919840, 12011824, 15014780, 21839680, 24023648, 30029560, 48047296, 60059120, 120118240, 240236480]

約数ペア:

[(1, 240236480), (2, 120118240), (4, 60059120), (5, 48047296), (8, 30029560), (10, 24023648), (11, 21839680), (16, 15014780), (20, 12011824), (22, 10919840), (32, 7507390), (40, 6005912), (44, 5459920), (55, 4367936), (64, 3753695), (80, 3002956), (88, 2729960), (110, 2183968), (139, 1728320), (160, 1501478), (176, 1364980), (220, 1091984), (278, 864160), (320, 750739), (352, 682490), (440, 545992), (491, 489280), (556, 432080), (695, 345664), (704, 341245), (880, 272996), (982, 244640), (1112, 216040), (1390, 172832), (1529, 157120), (1760, 136498), (1964, 122320), (2224, 108020), (2455, 97856), (2780, 86416), (3058, 78560), (3520, 68249), (3928, 61160), (4448, 54010), (4910, 48928), (5401, 44480), (5560, 43208), (6116, 39280), (7645, 31424), (7856, 30580), (8896, 27005), (9820, 24464), (10802, 22240), (11120, 21604), (12232, 19640), (15290, 15712)]