30785460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1319}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 86486400

約数和(自身を除く): 55700940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1319, 1556, 1945, 2334, 2638, 3890, 3957, 4668, 5276, 5835, 6595, 7780, 7914, 11670, 13190, 15828, 19785, 23340, 26380, 39570, 79140, 513091, 1026182, 1539273, 2052364, 2565455, 3078546, 5130910, 6157092, 7696365, 10261820, 15392730, 30785460]

約数ペア:

[(1, 30785460), (2, 15392730), (3, 10261820), (4, 7696365), (5, 6157092), (6, 5130910), (10, 3078546), (12, 2565455), (15, 2052364), (20, 1539273), (30, 1026182), (60, 513091), (389, 79140), (778, 39570), (1167, 26380), (1319, 23340), (1556, 19785), (1945, 15828), (2334, 13190), (2638, 11670), (3890, 7914), (3957, 7780), (4668, 6595), (5276, 5835)]