28679940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 90034560

約数和(自身を除く): 61354620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 173, 180, 270, 307, 346, 519, 540, 614, 692, 865, 921, 1038, 1228, 1535, 1557, 1730, 1842, 2076, 2595, 2763, 3070, 3114, 3460, 3684, 4605, 4671, 5190, 5526, 6140, 6228, 7785, 8289, 9210, 9342, 10380, 11052, 13815, 15570, 16578, 18420, 18684, 23355, 27630, 31140, 33156, 41445, 46710, 53111, 55260, 82890, 93420, 106222, 159333, 165780, 212444, 265555, 318666, 477999, 531110, 637332, 796665, 955998, 1062220, 1433997, 1593330, 1911996, 2389995, 2867994, 3186660, 4779990, 5735988, 7169985, 9559980, 14339970, 28679940]

約数ペア:

[(1, 28679940), (2, 14339970), (3, 9559980), (4, 7169985), (5, 5735988), (6, 4779990), (9, 3186660), (10, 2867994), (12, 2389995), (15, 1911996), (18, 1593330), (20, 1433997), (27, 1062220), (30, 955998), (36, 796665), (45, 637332), (54, 531110), (60, 477999), (90, 318666), (108, 265555), (135, 212444), (173, 165780), (180, 159333), (270, 106222), (307, 93420), (346, 82890), (519, 55260), (540, 53111), (614, 46710), (692, 41445), (865, 33156), (921, 31140), (1038, 27630), (1228, 23355), (1535, 18684), (1557, 18420), (1730, 16578), (1842, 15570), (2076, 13815), (2595, 11052), (2763, 10380), (3070, 9342), (3114, 9210), (3460, 8289), (3684, 7785), (4605, 6228), (4671, 6140), (5190, 5526)]