249968340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81689}}^1$

素因数の和:81721

約数の個数: 72

約数和(自身を含む): 802849320

約数和(自身を除く): 552880980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 81689, 163378, 245067, 326756, 408445, 490134, 735201, 816890, 980268, 1225335, 1388713, 1470402, 1633780, 2450670, 2777426, 2940804, 3676005, 4166139, 4901340, 5554852, 6943565, 7352010, 8332278, 12498417, 13887130, 14704020, 16664556, 20830695, 24996834, 27774260, 41661390, 49993668, 62492085, 83322780, 124984170, 249968340]

約数ペア:

[(1, 249968340), (2, 124984170), (3, 83322780), (4, 62492085), (5, 49993668), (6, 41661390), (9, 27774260), (10, 24996834), (12, 20830695), (15, 16664556), (17, 14704020), (18, 13887130), (20, 12498417), (30, 8332278), (34, 7352010), (36, 6943565), (45, 5554852), (51, 4901340), (60, 4166139), (68, 3676005), (85, 2940804), (90, 2777426), (102, 2450670), (153, 1633780), (170, 1470402), (180, 1388713), (204, 1225335), (255, 980268), (306, 816890), (340, 735201), (510, 490134), (612, 408445), (765, 326756), (1020, 245067), (1530, 163378), (3060, 81689)]