66852660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22739}}^1$

素因数の和:22765

約数の個数: 72

約数和(自身を含む): 217758240

約数和(自身を除く): 150905580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22739, 45478, 68217, 90956, 113695, 136434, 159173, 227390, 272868, 318346, 341085, 454780, 477519, 636692, 682170, 795865, 955038, 1114211, 1364340, 1591730, 1910076, 2228422, 2387595, 3183460, 3342633, 4456844, 4775190, 5571055, 6685266, 9550380, 11142110, 13370532, 16713165, 22284220, 33426330, 66852660]

約数ペア:

[(1, 66852660), (2, 33426330), (3, 22284220), (4, 16713165), (5, 13370532), (6, 11142110), (7, 9550380), (10, 6685266), (12, 5571055), (14, 4775190), (15, 4456844), (20, 3342633), (21, 3183460), (28, 2387595), (30, 2228422), (35, 1910076), (42, 1591730), (49, 1364340), (60, 1114211), (70, 955038), (84, 795865), (98, 682170), (105, 636692), (140, 477519), (147, 454780), (196, 341085), (210, 318346), (245, 272868), (294, 227390), (420, 159173), (490, 136434), (588, 113695), (735, 90956), (980, 68217), (1470, 45478), (2940, 22739)]