289663440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109721}}^1$

素因数の和:109748

約数の個数: 80

約数和(自身を含む): 979598016

約数和(自身を除く): 689934576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 109721, 219442, 329163, 438884, 548605, 658326, 877768, 1097210, 1206931, 1316652, 1645815, 1755536, 2194420, 2413862, 2633304, 3291630, 3620793, 4388840, 4827724, 5266608, 6034655, 6583260, 7241586, 8777680, 9655448, 12069310, 13166520, 14483172, 18103965, 19310896, 24138620, 26333040, 28966344, 36207930, 48277240, 57932688, 72415860, 96554480, 144831720, 289663440]

約数ペア:

[(1, 289663440), (2, 144831720), (3, 96554480), (4, 72415860), (5, 57932688), (6, 48277240), (8, 36207930), (10, 28966344), (11, 26333040), (12, 24138620), (15, 19310896), (16, 18103965), (20, 14483172), (22, 13166520), (24, 12069310), (30, 9655448), (33, 8777680), (40, 7241586), (44, 6583260), (48, 6034655), (55, 5266608), (60, 4827724), (66, 4388840), (80, 3620793), (88, 3291630), (110, 2633304), (120, 2413862), (132, 2194420), (165, 1755536), (176, 1645815), (220, 1316652), (240, 1206931), (264, 1097210), (330, 877768), (440, 658326), (528, 548605), (660, 438884), (880, 329163), (1320, 219442), (2640, 109721)]