28689840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39847}}^1$

素因数の和:39866

約数の個数: 60

約数和(自身を含む): 96352464

約数和(自身を除く): 67662624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39847, 79694, 119541, 159388, 199235, 239082, 318776, 358623, 398470, 478164, 597705, 637552, 717246, 796940, 956328, 1195410, 1434492, 1593880, 1793115, 1912656, 2390820, 2868984, 3187760, 3586230, 4781640, 5737968, 7172460, 9563280, 14344920, 28689840]

約数ペア:

[(1, 28689840), (2, 14344920), (3, 9563280), (4, 7172460), (5, 5737968), (6, 4781640), (8, 3586230), (9, 3187760), (10, 2868984), (12, 2390820), (15, 1912656), (16, 1793115), (18, 1593880), (20, 1434492), (24, 1195410), (30, 956328), (36, 796940), (40, 717246), (45, 637552), (48, 597705), (60, 478164), (72, 398470), (80, 358623), (90, 318776), (120, 239082), (144, 199235), (180, 159388), (240, 119541), (360, 79694), (720, 39847)]