3331720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 8737920

約数和(自身を除く): 5406200

約数列:

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

約数ペア:

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