71350380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1019}}^1$

素因数の和:1423

約数の個数: 72

約数和(自身を含む): 217198800

約数和(自身を除く): 145848420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1019, 1167, 1556, 1945, 2038, 2334, 3057, 3501, 3890, 4076, 4668, 5095, 5835, 6114, 7002, 7780, 9171, 10190, 11670, 12228, 14004, 15285, 17505, 18342, 20380, 23340, 30570, 35010, 36684, 45855, 61140, 70020, 91710, 183420, 396391, 792782, 1189173, 1585564, 1981955, 2378346, 3567519, 3963910, 4756692, 5945865, 7135038, 7927820, 11891730, 14270076, 17837595, 23783460, 35675190, 71350380]

約数ペア:

[(1, 71350380), (2, 35675190), (3, 23783460), (4, 17837595), (5, 14270076), (6, 11891730), (9, 7927820), (10, 7135038), (12, 5945865), (15, 4756692), (18, 3963910), (20, 3567519), (30, 2378346), (36, 1981955), (45, 1585564), (60, 1189173), (90, 792782), (180, 396391), (389, 183420), (778, 91710), (1019, 70020), (1167, 61140), (1556, 45855), (1945, 36684), (2038, 35010), (2334, 30570), (3057, 23340), (3501, 20380), (3890, 18342), (4076, 17505), (4668, 15285), (5095, 14004), (5835, 12228), (6114, 11670), (7002, 10190), (7780, 9171)]