257810040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1693}}^1$

素因数の和:1763

約数の個数: 160

約数和(自身を含む): 885487680

約数和(自身を除く): 627677640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 81, 90, 94, 108, 120, 135, 141, 162, 180, 188, 216, 235, 270, 282, 324, 360, 376, 405, 423, 470, 540, 564, 648, 705, 810, 846, 940, 1080, 1128, 1269, 1410, 1620, 1692, 1693, 1880, 2115, 2538, 2820, 3240, 3384, 3386, 3807, 4230, 5076, 5079, 5640, 6345, 6772, 7614, 8460, 8465, 10152, 10158, 12690, 13544, 15228, 15237, 16920, 16930, 19035, 20316, 25380, 25395, 30456, 30474, 33860, 38070, 40632, 45711, 50760, 50790, 60948, 67720, 76140, 76185, 79571, 91422, 101580, 121896, 137133, 152280, 152370, 159142, 182844, 203160, 228555, 238713, 274266, 304740, 318284, 365688, 397855, 457110, 477426, 548532, 609480, 636568, 685665, 716139, 795710, 914220, 954852, 1097064, 1193565, 1371330, 1432278, 1591420, 1828440, 1909704, 2148417, 2387130, 2742660, 2864556, 3182840, 3580695, 4296834, 4774260, 5485320, 5729112, 6445251, 7161390, 8593668, 9548520, 10742085, 12890502, 14322780, 17187336, 21484170, 25781004, 28645560, 32226255, 42968340, 51562008, 64452510, 85936680, 128905020, 257810040]

約数ペア:

[(1, 257810040), (2, 128905020), (3, 85936680), (4, 64452510), (5, 51562008), (6, 42968340), (8, 32226255), (9, 28645560), (10, 25781004), (12, 21484170), (15, 17187336), (18, 14322780), (20, 12890502), (24, 10742085), (27, 9548520), (30, 8593668), (36, 7161390), (40, 6445251), (45, 5729112), (47, 5485320), (54, 4774260), (60, 4296834), (72, 3580695), (81, 3182840), (90, 2864556), (94, 2742660), (108, 2387130), (120, 2148417), (135, 1909704), (141, 1828440), (162, 1591420), (180, 1432278), (188, 1371330), (216, 1193565), (235, 1097064), (270, 954852), (282, 914220), (324, 795710), (360, 716139), (376, 685665), (405, 636568), (423, 609480), (470, 548532), (540, 477426), (564, 457110), (648, 397855), (705, 365688), (810, 318284), (846, 304740), (940, 274266), (1080, 238713), (1128, 228555), (1269, 203160), (1410, 182844), (1620, 159142), (1692, 152370), (1693, 152280), (1880, 137133), (2115, 121896), (2538, 101580), (2820, 91422), (3240, 79571), (3384, 76185), (3386, 76140), (3807, 67720), (4230, 60948), (5076, 50790), (5079, 50760), (5640, 45711), (6345, 40632), (6772, 38070), (7614, 33860), (8460, 30474), (8465, 30456), (10152, 25395), (10158, 25380), (12690, 20316), (13544, 19035), (15228, 16930), (15237, 16920)]