100020780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{555671}}^1$

素因数の和:555686

約数の個数: 36

約数和(自身を含む): 303396912

約数和(自身を除く): 203376132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 555671, 1111342, 1667013, 2222684, 2778355, 3334026, 5001039, 5556710, 6668052, 8335065, 10002078, 11113420, 16670130, 20004156, 25005195, 33340260, 50010390, 100020780]

約数ペア:

[(1, 100020780), (2, 50010390), (3, 33340260), (4, 25005195), (5, 20004156), (6, 16670130), (9, 11113420), (10, 10002078), (12, 8335065), (15, 6668052), (18, 5556710), (20, 5001039), (30, 3334026), (36, 2778355), (45, 2222684), (60, 1667013), (90, 1111342), (180, 555671)]