25813080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 89907840

約数和(自身を除く): 64094760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 257, 270, 279, 310, 324, 360, 372, 405, 465, 514, 540, 558, 620, 648, 744, 771, 810, 837, 930, 1028, 1080, 1116, 1240, 1285, 1395, 1542, 1620, 1674, 1860, 2056, 2232, 2313, 2511, 2570, 2790, 3084, 3240, 3348, 3720, 3855, 4185, 4626, 5022, 5140, 5580, 6168, 6696, 6939, 7710, 7967, 8370, 9252, 10044, 10280, 11160, 11565, 12555, 13878, 15420, 15934, 16740, 18504, 20088, 20817, 23130, 23901, 25110, 27756, 30840, 31868, 33480, 34695, 39835, 41634, 46260, 47802, 50220, 55512, 63736, 69390, 71703, 79670, 83268, 92520, 95604, 100440, 104085, 119505, 138780, 143406, 159340, 166536, 191208, 208170, 215109, 239010, 277560, 286812, 318680, 358515, 416340, 430218, 478020, 573624, 645327, 717030, 832680, 860436, 956040, 1075545, 1290654, 1434060, 1720872, 2151090, 2581308, 2868120, 3226635, 4302180, 5162616, 6453270, 8604360, 12906540, 25813080]

約数ペア:

[(1, 25813080), (2, 12906540), (3, 8604360), (4, 6453270), (5, 5162616), (6, 4302180), (8, 3226635), (9, 2868120), (10, 2581308), (12, 2151090), (15, 1720872), (18, 1434060), (20, 1290654), (24, 1075545), (27, 956040), (30, 860436), (31, 832680), (36, 717030), (40, 645327), (45, 573624), (54, 478020), (60, 430218), (62, 416340), (72, 358515), (81, 318680), (90, 286812), (93, 277560), (108, 239010), (120, 215109), (124, 208170), (135, 191208), (155, 166536), (162, 159340), (180, 143406), (186, 138780), (216, 119505), (248, 104085), (257, 100440), (270, 95604), (279, 92520), (310, 83268), (324, 79670), (360, 71703), (372, 69390), (405, 63736), (465, 55512), (514, 50220), (540, 47802), (558, 46260), (620, 41634), (648, 39835), (744, 34695), (771, 33480), (810, 31868), (837, 30840), (930, 27756), (1028, 25110), (1080, 23901), (1116, 23130), (1240, 20817), (1285, 20088), (1395, 18504), (1542, 16740), (1620, 15934), (1674, 15420), (1860, 13878), (2056, 12555), (2232, 11565), (2313, 11160), (2511, 10280), (2570, 10044), (2790, 9252), (3084, 8370), (3240, 7967), (3348, 7710), (3720, 6939), (3855, 6696), (4185, 6168), (4626, 5580), (5022, 5140)]