66358620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{757}}^1$

素因数の和:1259

約数の個数: 72

約数和(自身を含む): 201967584

約数和(自身を除く): 135608964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 757, 974, 1461, 1514, 1948, 2271, 2435, 2922, 3028, 3785, 4383, 4542, 4870, 5844, 6813, 7305, 7570, 8766, 9084, 9740, 11355, 13626, 14610, 15140, 17532, 21915, 22710, 27252, 29220, 34065, 43830, 45420, 68130, 87660, 136260, 368659, 737318, 1105977, 1474636, 1843295, 2211954, 3317931, 3686590, 4423908, 5529885, 6635862, 7373180, 11059770, 13271724, 16589655, 22119540, 33179310, 66358620]

約数ペア:

[(1, 66358620), (2, 33179310), (3, 22119540), (4, 16589655), (5, 13271724), (6, 11059770), (9, 7373180), (10, 6635862), (12, 5529885), (15, 4423908), (18, 3686590), (20, 3317931), (30, 2211954), (36, 1843295), (45, 1474636), (60, 1105977), (90, 737318), (180, 368659), (487, 136260), (757, 87660), (974, 68130), (1461, 45420), (1514, 43830), (1948, 34065), (2271, 29220), (2435, 27252), (2922, 22710), (3028, 21915), (3785, 17532), (4383, 15140), (4542, 14610), (4870, 13626), (5844, 11355), (6813, 9740), (7305, 9084), (7570, 8766)]