206643420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1764

約数の個数: 96

約数和(自身を含む): 645825600

約数和(自身を除く): 439182180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 257, 270, 514, 540, 771, 1028, 1285, 1489, 1542, 2313, 2570, 2978, 3084, 3855, 4467, 4626, 5140, 5956, 6939, 7445, 7710, 8934, 9252, 11565, 13401, 13878, 14890, 15420, 17868, 22335, 23130, 26802, 27756, 29780, 34695, 40203, 44670, 46260, 53604, 67005, 69390, 80406, 89340, 134010, 138780, 160812, 201015, 268020, 382673, 402030, 765346, 804060, 1148019, 1530692, 1913365, 2296038, 3444057, 3826730, 4592076, 5740095, 6888114, 7653460, 10332171, 11480190, 13776228, 17220285, 20664342, 22960380, 34440570, 41328684, 51660855, 68881140, 103321710, 206643420]

約数ペア:

[(1, 206643420), (2, 103321710), (3, 68881140), (4, 51660855), (5, 41328684), (6, 34440570), (9, 22960380), (10, 20664342), (12, 17220285), (15, 13776228), (18, 11480190), (20, 10332171), (27, 7653460), (30, 6888114), (36, 5740095), (45, 4592076), (54, 3826730), (60, 3444057), (90, 2296038), (108, 1913365), (135, 1530692), (180, 1148019), (257, 804060), (270, 765346), (514, 402030), (540, 382673), (771, 268020), (1028, 201015), (1285, 160812), (1489, 138780), (1542, 134010), (2313, 89340), (2570, 80406), (2978, 69390), (3084, 67005), (3855, 53604), (4467, 46260), (4626, 44670), (5140, 40203), (5956, 34695), (6939, 29780), (7445, 27756), (7710, 26802), (8934, 23130), (9252, 22335), (11565, 17868), (13401, 15420), (13878, 14890)]