320985532

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 676193280

約数和(自身を除く): 355207748

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 151, 158, 217, 302, 316, 434, 553, 604, 868, 961, 1057, 1106, 1922, 2114, 2212, 2449, 3844, 4228, 4681, 4898, 6727, 9362, 9796, 11929, 13454, 17143, 18724, 23858, 26908, 32767, 34286, 47716, 65534, 68572, 75919, 83503, 131068, 145111, 151838, 167006, 290222, 303676, 334012, 369799, 531433, 580444, 739598, 1015777, 1062866, 1479196, 2031554, 2125732, 2588593, 4063108, 5177186, 10354372, 11463769, 22927538, 45855076, 80246383, 160492766, 320985532]

約数ペア:

[(1, 320985532), (2, 160492766), (4, 80246383), (7, 45855076), (14, 22927538), (28, 11463769), (31, 10354372), (62, 5177186), (79, 4063108), (124, 2588593), (151, 2125732), (158, 2031554), (217, 1479196), (302, 1062866), (316, 1015777), (434, 739598), (553, 580444), (604, 531433), (868, 369799), (961, 334012), (1057, 303676), (1106, 290222), (1922, 167006), (2114, 151838), (2212, 145111), (2449, 131068), (3844, 83503), (4228, 75919), (4681, 68572), (4898, 65534), (6727, 47716), (9362, 34286), (9796, 32767), (11929, 26908), (13454, 23858), (17143, 18724)]