16845920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 49805280

約数和(自身を除く): 32959360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 89, 91, 104, 112, 130, 140, 160, 169, 178, 182, 208, 224, 260, 280, 338, 356, 364, 416, 445, 455, 520, 560, 623, 676, 712, 728, 845, 890, 910, 1040, 1120, 1157, 1183, 1246, 1352, 1424, 1456, 1690, 1780, 1820, 2080, 2314, 2366, 2492, 2704, 2848, 2912, 3115, 3380, 3560, 3640, 4628, 4732, 4984, 5408, 5785, 5915, 6230, 6760, 7120, 7280, 8099, 9256, 9464, 9968, 11570, 11830, 12460, 13520, 14240, 14560, 15041, 16198, 18512, 18928, 19936, 23140, 23660, 24920, 27040, 30082, 32396, 37024, 37856, 40495, 46280, 47320, 49840, 60164, 64792, 75205, 80990, 92560, 94640, 99680, 105287, 120328, 129584, 150410, 161980, 185120, 189280, 210574, 240656, 259168, 300820, 323960, 421148, 481312, 526435, 601640, 647920, 842296, 1052870, 1203280, 1295840, 1684592, 2105740, 2406560, 3369184, 4211480, 8422960, 16845920]

約数ペア:

[(1, 16845920), (2, 8422960), (4, 4211480), (5, 3369184), (7, 2406560), (8, 2105740), (10, 1684592), (13, 1295840), (14, 1203280), (16, 1052870), (20, 842296), (26, 647920), (28, 601640), (32, 526435), (35, 481312), (40, 421148), (52, 323960), (56, 300820), (65, 259168), (70, 240656), (80, 210574), (89, 189280), (91, 185120), (104, 161980), (112, 150410), (130, 129584), (140, 120328), (160, 105287), (169, 99680), (178, 94640), (182, 92560), (208, 80990), (224, 75205), (260, 64792), (280, 60164), (338, 49840), (356, 47320), (364, 46280), (416, 40495), (445, 37856), (455, 37024), (520, 32396), (560, 30082), (623, 27040), (676, 24920), (712, 23660), (728, 23140), (845, 19936), (890, 18928), (910, 18512), (1040, 16198), (1120, 15041), (1157, 14560), (1183, 14240), (1246, 13520), (1352, 12460), (1424, 11830), (1456, 11570), (1690, 9968), (1780, 9464), (1820, 9256), (2080, 8099), (2314, 7280), (2366, 7120), (2492, 6760), (2704, 6230), (2848, 5915), (2912, 5785), (3115, 5408), (3380, 4984), (3560, 4732), (3640, 4628)]