178571340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7573}}^1$

素因数の和:7719

約数の個数: 72

約数和(自身を含む): 545873328

約数和(自身を除く): 367301988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7573, 7860, 11790, 15146, 22719, 23580, 30292, 37865, 45438, 68157, 75730, 90876, 113595, 136314, 151460, 227190, 272628, 340785, 454380, 681570, 992063, 1363140, 1984126, 2976189, 3968252, 4960315, 5952378, 8928567, 9920630, 11904756, 14880945, 17857134, 19841260, 29761890, 35714268, 44642835, 59523780, 89285670, 178571340]

約数ペア:

[(1, 178571340), (2, 89285670), (3, 59523780), (4, 44642835), (5, 35714268), (6, 29761890), (9, 19841260), (10, 17857134), (12, 14880945), (15, 11904756), (18, 9920630), (20, 8928567), (30, 5952378), (36, 4960315), (45, 3968252), (60, 2976189), (90, 1984126), (131, 1363140), (180, 992063), (262, 681570), (393, 454380), (524, 340785), (655, 272628), (786, 227190), (1179, 151460), (1310, 136314), (1572, 113595), (1965, 90876), (2358, 75730), (2620, 68157), (3930, 45438), (4716, 37865), (5895, 30292), (7573, 23580), (7860, 22719), (11790, 15146)]