78283520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8737}}^1$

素因数の和:8765

約数の個数: 72

約数和(自身を含む): 214325664

約数和(自身を除く): 136042144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8737, 8960, 17474, 34948, 43685, 61159, 69896, 87370, 122318, 139792, 174740, 244636, 279584, 305795, 349480, 489272, 559168, 611590, 698960, 978544, 1118336, 1223180, 1397920, 1957088, 2236672, 2446360, 2795840, 3914176, 4892720, 5591680, 7828352, 9785440, 11183360, 15656704, 19570880, 39141760, 78283520]

約数ペア:

[(1, 78283520), (2, 39141760), (4, 19570880), (5, 15656704), (7, 11183360), (8, 9785440), (10, 7828352), (14, 5591680), (16, 4892720), (20, 3914176), (28, 2795840), (32, 2446360), (35, 2236672), (40, 1957088), (56, 1397920), (64, 1223180), (70, 1118336), (80, 978544), (112, 698960), (128, 611590), (140, 559168), (160, 489272), (224, 349480), (256, 305795), (280, 279584), (320, 244636), (448, 174740), (560, 139792), (640, 122318), (896, 87370), (1120, 69896), (1280, 61159), (1792, 43685), (2240, 34948), (4480, 17474), (8737, 8960)]