15742720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{251}}^1$

素因数の和:286

約数の個数: 108

約数和(自身を含む): 44040024

約数和(自身を除く): 28297304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 251, 256, 280, 320, 392, 448, 490, 502, 560, 640, 784, 896, 980, 1004, 1120, 1255, 1280, 1568, 1757, 1792, 1960, 2008, 2240, 2510, 3136, 3514, 3920, 4016, 4480, 5020, 6272, 7028, 7840, 8032, 8785, 8960, 10040, 12299, 12544, 14056, 15680, 16064, 17570, 20080, 24598, 28112, 31360, 32128, 35140, 40160, 49196, 56224, 61495, 62720, 64256, 70280, 80320, 98392, 112448, 122990, 140560, 160640, 196784, 224896, 245980, 281120, 321280, 393568, 449792, 491960, 562240, 787136, 983920, 1124480, 1574272, 1967840, 2248960, 3148544, 3935680, 7871360, 15742720]

約数ペア:

[(1, 15742720), (2, 7871360), (4, 3935680), (5, 3148544), (7, 2248960), (8, 1967840), (10, 1574272), (14, 1124480), (16, 983920), (20, 787136), (28, 562240), (32, 491960), (35, 449792), (40, 393568), (49, 321280), (56, 281120), (64, 245980), (70, 224896), (80, 196784), (98, 160640), (112, 140560), (128, 122990), (140, 112448), (160, 98392), (196, 80320), (224, 70280), (245, 64256), (251, 62720), (256, 61495), (280, 56224), (320, 49196), (392, 40160), (448, 35140), (490, 32128), (502, 31360), (560, 28112), (640, 24598), (784, 20080), (896, 17570), (980, 16064), (1004, 15680), (1120, 14056), (1255, 12544), (1280, 12299), (1568, 10040), (1757, 8960), (1792, 8785), (1960, 8032), (2008, 7840), (2240, 7028), (2510, 6272), (3136, 5020), (3514, 4480), (3920, 4016)]