6663440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 18058368

約数和(自身を除く): 11394928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 163, 280, 292, 326, 365, 511, 560, 584, 652, 730, 815, 1022, 1141, 1168, 1304, 1460, 1630, 2044, 2282, 2555, 2608, 2920, 3260, 4088, 4564, 5110, 5705, 5840, 6520, 8176, 9128, 10220, 11410, 11899, 13040, 18256, 20440, 22820, 23798, 40880, 45640, 47596, 59495, 83293, 91280, 95192, 118990, 166586, 190384, 237980, 333172, 416465, 475960, 666344, 832930, 951920, 1332688, 1665860, 3331720, 6663440]

約数ペア:

[(1, 6663440), (2, 3331720), (4, 1665860), (5, 1332688), (7, 951920), (8, 832930), (10, 666344), (14, 475960), (16, 416465), (20, 333172), (28, 237980), (35, 190384), (40, 166586), (56, 118990), (70, 95192), (73, 91280), (80, 83293), (112, 59495), (140, 47596), (146, 45640), (163, 40880), (280, 23798), (292, 22820), (326, 20440), (365, 18256), (511, 13040), (560, 11899), (584, 11410), (652, 10220), (730, 9128), (815, 8176), (1022, 6520), (1141, 5840), (1168, 5705), (1304, 5110), (1460, 4564), (1630, 4088), (2044, 3260), (2282, 2920), (2555, 2608)]