80355520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1290

約数の個数: 112

約数和(自身を含む): 226405440

約数和(自身を除く): 146049920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1237, 1624, 1856, 2030, 2240, 2320, 2474, 3248, 4060, 4640, 4948, 6185, 6496, 8120, 8659, 9280, 9896, 12370, 12992, 16240, 17318, 19792, 24740, 32480, 34636, 35873, 39584, 43295, 49480, 64960, 69272, 71746, 79168, 86590, 98960, 138544, 143492, 173180, 179365, 197920, 251111, 277088, 286984, 346360, 358730, 395840, 502222, 554176, 573968, 692720, 717460, 1004444, 1147936, 1255555, 1385440, 1434920, 2008888, 2295872, 2511110, 2770880, 2869840, 4017776, 5022220, 5739680, 8035552, 10044440, 11479360, 16071104, 20088880, 40177760, 80355520]

約数ペア:

[(1, 80355520), (2, 40177760), (4, 20088880), (5, 16071104), (7, 11479360), (8, 10044440), (10, 8035552), (14, 5739680), (16, 5022220), (20, 4017776), (28, 2869840), (29, 2770880), (32, 2511110), (35, 2295872), (40, 2008888), (56, 1434920), (58, 1385440), (64, 1255555), (70, 1147936), (80, 1004444), (112, 717460), (116, 692720), (140, 573968), (145, 554176), (160, 502222), (203, 395840), (224, 358730), (232, 346360), (280, 286984), (290, 277088), (320, 251111), (406, 197920), (448, 179365), (464, 173180), (560, 143492), (580, 138544), (812, 98960), (928, 86590), (1015, 79168), (1120, 71746), (1160, 69272), (1237, 64960), (1624, 49480), (1856, 43295), (2030, 39584), (2240, 35873), (2320, 34636), (2474, 32480), (3248, 24740), (4060, 19792), (4640, 17318), (4948, 16240), (6185, 12992), (6496, 12370), (8120, 9896), (8659, 9280)]