1640642715

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^2$

素因数の和:346

約数の個数: 96

約数和(自身を含む): 3194717760

約数和(自身を除く): 1554075045

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 139, 153, 185, 255, 333, 417, 459, 555, 629, 695, 765, 999, 1251, 1665, 1887, 2085, 2295, 2363, 3145, 3753, 4995, 5143, 5661, 6255, 7089, 9435, 11815, 15429, 16983, 18765, 19321, 21267, 25715, 28305, 35445, 46287, 57963, 63801, 77145, 84915, 87431, 96605, 106335, 138861, 173889, 231435, 262293, 289815, 319005, 328457, 437155, 521667, 694305, 714877, 786879, 869445, 985371, 1311465, 1642285, 2144631, 2360637, 2608335, 2956113, 3574385, 3934395, 4926855, 6433893, 8868339, 10723155, 11803185, 12152909, 14780565, 19301679, 32169465, 36458727, 44341695, 60764545, 96508395, 109376181, 182293635, 328128543, 546880905, 1640642715]

約数ペア:

[(1, 1640642715), (3, 546880905), (5, 328128543), (9, 182293635), (15, 109376181), (17, 96508395), (27, 60764545), (37, 44341695), (45, 36458727), (51, 32169465), (85, 19301679), (111, 14780565), (135, 12152909), (139, 11803185), (153, 10723155), (185, 8868339), (255, 6433893), (333, 4926855), (417, 3934395), (459, 3574385), (555, 2956113), (629, 2608335), (695, 2360637), (765, 2144631), (999, 1642285), (1251, 1311465), (1665, 985371), (1887, 869445), (2085, 786879), (2295, 714877), (2363, 694305), (3145, 521667), (3753, 437155), (4995, 328457), (5143, 319005), (5661, 289815), (6255, 262293), (7089, 231435), (9435, 173889), (11815, 138861), (15429, 106335), (16983, 96605), (18765, 87431), (19321, 84915), (21267, 77145), (25715, 63801), (28305, 57963), (35445, 46287)]