31068860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 75116160

約数和(自身を除く): 44047300

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 29, 34, 46, 58, 68, 85, 92, 115, 116, 137, 145, 170, 230, 274, 290, 340, 391, 460, 493, 548, 580, 667, 685, 782, 986, 1334, 1370, 1564, 1955, 1972, 2329, 2465, 2668, 2740, 3151, 3335, 3910, 3973, 4658, 4930, 6302, 6670, 7820, 7946, 9316, 9860, 11339, 11645, 12604, 13340, 15755, 15892, 19865, 22678, 23290, 31510, 39730, 45356, 46580, 53567, 56695, 63020, 67541, 79460, 91379, 107134, 113390, 135082, 182758, 214268, 226780, 267835, 270164, 337705, 365516, 456895, 535670, 675410, 913790, 1071340, 1350820, 1553443, 1827580, 3106886, 6213772, 7767215, 15534430, 31068860]

約数ペア:

[(1, 31068860), (2, 15534430), (4, 7767215), (5, 6213772), (10, 3106886), (17, 1827580), (20, 1553443), (23, 1350820), (29, 1071340), (34, 913790), (46, 675410), (58, 535670), (68, 456895), (85, 365516), (92, 337705), (115, 270164), (116, 267835), (137, 226780), (145, 214268), (170, 182758), (230, 135082), (274, 113390), (290, 107134), (340, 91379), (391, 79460), (460, 67541), (493, 63020), (548, 56695), (580, 53567), (667, 46580), (685, 45356), (782, 39730), (986, 31510), (1334, 23290), (1370, 22678), (1564, 19865), (1955, 15892), (1972, 15755), (2329, 13340), (2465, 12604), (2668, 11645), (2740, 11339), (3151, 9860), (3335, 9316), (3910, 7946), (3973, 7820), (4658, 6670), (4930, 6302)]