65365760

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 157960320

約数和(自身を除く): 92594560

約数列:

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

約数ペア:

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