128581440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10303}}^1$

素因数の和:10336

約数の個数: 112

約数和(自身を含む): 439692288

約数和(自身を除く): 311110848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 10303, 12480, 20606, 30909, 41212, 51515, 61818, 82424, 103030, 123636, 133939, 154545, 164848, 206060, 247272, 267878, 309090, 329696, 401817, 412120, 494544, 535756, 618180, 659392, 669695, 803634, 824240, 989088, 1071512, 1236360, 1339390, 1607268, 1648480, 1978176, 2009085, 2143024, 2472720, 2678780, 3214536, 3296960, 4018170, 4286048, 4945440, 5357560, 6429072, 8036340, 8572096, 9890880, 10715120, 12858144, 16072680, 21430240, 25716288, 32145360, 42860480, 64290720, 128581440]

約数ペア:

[(1, 128581440), (2, 64290720), (3, 42860480), (4, 32145360), (5, 25716288), (6, 21430240), (8, 16072680), (10, 12858144), (12, 10715120), (13, 9890880), (15, 8572096), (16, 8036340), (20, 6429072), (24, 5357560), (26, 4945440), (30, 4286048), (32, 4018170), (39, 3296960), (40, 3214536), (48, 2678780), (52, 2472720), (60, 2143024), (64, 2009085), (65, 1978176), (78, 1648480), (80, 1607268), (96, 1339390), (104, 1236360), (120, 1071512), (130, 989088), (156, 824240), (160, 803634), (192, 669695), (195, 659392), (208, 618180), (240, 535756), (260, 494544), (312, 412120), (320, 401817), (390, 329696), (416, 309090), (480, 267878), (520, 247272), (624, 206060), (780, 164848), (832, 154545), (960, 133939), (1040, 123636), (1248, 103030), (1560, 82424), (2080, 61818), (2496, 51515), (3120, 41212), (4160, 30909), (6240, 20606), (10303, 12480)]