15531040

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{283}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 42940800

約数和(自身を除く): 27409760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 283, 343, 392, 490, 560, 566, 686, 784, 980, 1120, 1132, 1372, 1415, 1568, 1715, 1960, 1981, 2264, 2744, 2830, 3430, 3920, 3962, 4528, 5488, 5660, 6860, 7840, 7924, 9056, 9905, 10976, 11320, 13720, 13867, 15848, 19810, 22640, 27440, 27734, 31696, 39620, 45280, 54880, 55468, 63392, 69335, 79240, 97069, 110936, 138670, 158480, 194138, 221872, 277340, 316960, 388276, 443744, 485345, 554680, 776552, 970690, 1109360, 1553104, 1941380, 2218720, 3106208, 3882760, 7765520, 15531040]

約数ペア:

[(1, 15531040), (2, 7765520), (4, 3882760), (5, 3106208), (7, 2218720), (8, 1941380), (10, 1553104), (14, 1109360), (16, 970690), (20, 776552), (28, 554680), (32, 485345), (35, 443744), (40, 388276), (49, 316960), (56, 277340), (70, 221872), (80, 194138), (98, 158480), (112, 138670), (140, 110936), (160, 97069), (196, 79240), (224, 69335), (245, 63392), (280, 55468), (283, 54880), (343, 45280), (392, 39620), (490, 31696), (560, 27734), (566, 27440), (686, 22640), (784, 19810), (980, 15848), (1120, 13867), (1132, 13720), (1372, 11320), (1415, 10976), (1568, 9905), (1715, 9056), (1960, 7924), (1981, 7840), (2264, 6860), (2744, 5660), (2830, 5488), (3430, 4528), (3920, 3962)]