400523220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{3011}}^1$

素因数の和:3765

約数の個数: 72

約数和(自身を含む): 1216968480

約数和(自身を除く): 816445260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 1478, 2217, 2956, 3011, 3695, 4434, 6022, 6651, 7390, 8868, 9033, 11085, 12044, 13302, 14780, 15055, 18066, 22170, 26604, 27099, 30110, 33255, 36132, 44340, 45165, 54198, 60220, 66510, 90330, 108396, 133020, 135495, 180660, 270990, 541980, 2225129, 4450258, 6675387, 8900516, 11125645, 13350774, 20026161, 22251290, 26701548, 33376935, 40052322, 44502580, 66753870, 80104644, 100130805, 133507740, 200261610, 400523220]

約数ペア:

[(1, 400523220), (2, 200261610), (3, 133507740), (4, 100130805), (5, 80104644), (6, 66753870), (9, 44502580), (10, 40052322), (12, 33376935), (15, 26701548), (18, 22251290), (20, 20026161), (30, 13350774), (36, 11125645), (45, 8900516), (60, 6675387), (90, 4450258), (180, 2225129), (739, 541980), (1478, 270990), (2217, 180660), (2956, 135495), (3011, 133020), (3695, 108396), (4434, 90330), (6022, 66510), (6651, 60220), (7390, 54198), (8868, 45165), (9033, 44340), (11085, 36132), (12044, 33255), (13302, 30110), (14780, 27099), (15055, 26604), (18066, 22170)]