130731520

素因数分解:

$2^9\times 5^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 316229760

約数和(自身を除く): 185498240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 229, 256, 320, 446, 458, 512, 640, 892, 916, 1115, 1145, 1280, 1784, 1832, 2230, 2290, 2560, 3568, 3664, 4460, 4580, 7136, 7328, 8920, 9160, 14272, 14656, 17840, 18320, 28544, 29312, 35680, 36640, 51067, 57088, 58624, 71360, 73280, 102134, 114176, 117248, 142720, 146560, 204268, 255335, 285440, 293120, 408536, 510670, 570880, 586240, 817072, 1021340, 1634144, 2042680, 3268288, 4085360, 6536576, 8170720, 13073152, 16341440, 26146304, 32682880, 65365760, 130731520]

約数ペア:

[(1, 130731520), (2, 65365760), (4, 32682880), (5, 26146304), (8, 16341440), (10, 13073152), (16, 8170720), (20, 6536576), (32, 4085360), (40, 3268288), (64, 2042680), (80, 1634144), (128, 1021340), (160, 817072), (223, 586240), (229, 570880), (256, 510670), (320, 408536), (446, 293120), (458, 285440), (512, 255335), (640, 204268), (892, 146560), (916, 142720), (1115, 117248), (1145, 114176), (1280, 102134), (1784, 73280), (1832, 71360), (2230, 58624), (2290, 57088), (2560, 51067), (3568, 36640), (3664, 35680), (4460, 29312), (4580, 28544), (7136, 18320), (7328, 17840), (8920, 14656), (9160, 14272)]