138191640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67741}}^1$

素因数の和:67772

約数の個数: 64

約数和(自身を含む): 438968160

約数和(自身を除く): 300776520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 67741, 135482, 203223, 270964, 338705, 406446, 541928, 677410, 812892, 1016115, 1151597, 1354820, 1625784, 2032230, 2303194, 2709640, 3454791, 4064460, 4606388, 5757985, 6909582, 8128920, 9212776, 11515970, 13819164, 17273955, 23031940, 27638328, 34547910, 46063880, 69095820, 138191640]

約数ペア:

[(1, 138191640), (2, 69095820), (3, 46063880), (4, 34547910), (5, 27638328), (6, 23031940), (8, 17273955), (10, 13819164), (12, 11515970), (15, 9212776), (17, 8128920), (20, 6909582), (24, 5757985), (30, 4606388), (34, 4064460), (40, 3454791), (51, 2709640), (60, 2303194), (68, 2032230), (85, 1625784), (102, 1354820), (120, 1151597), (136, 1016115), (170, 812892), (204, 677410), (255, 541928), (340, 406446), (408, 338705), (510, 270964), (680, 203223), (1020, 135482), (2040, 67741)]