208817640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 711182160

約数和(自身を除く): 502364520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 61, 72, 74, 90, 111, 120, 122, 148, 180, 183, 185, 222, 244, 257, 296, 305, 333, 360, 366, 370, 444, 488, 514, 549, 555, 610, 666, 732, 740, 771, 888, 915, 1028, 1098, 1110, 1220, 1285, 1332, 1464, 1480, 1542, 1665, 1830, 2056, 2196, 2220, 2257, 2313, 2440, 2570, 2664, 2745, 3084, 3330, 3660, 3855, 4392, 4440, 4514, 4626, 5140, 5490, 6168, 6660, 6771, 7320, 7710, 9028, 9252, 9509, 10280, 10980, 11285, 11565, 13320, 13542, 15420, 15677, 18056, 18504, 19018, 20313, 21960, 22570, 23130, 27084, 28527, 30840, 31354, 33855, 38036, 40626, 45140, 46260, 47031, 47545, 54168, 57054, 62708, 67710, 76072, 78385, 81252, 85581, 90280, 92520, 94062, 95090, 101565, 114108, 125416, 135420, 141093, 142635, 156770, 162504, 171162, 188124, 190180, 203130, 228216, 235155, 270840, 282186, 285270, 313540, 342324, 376248, 380360, 406260, 427905, 470310, 564372, 570540, 580049, 627080, 684648, 705465, 812520, 855810, 940620, 1128744, 1141080, 1160098, 1410930, 1711620, 1740147, 1881240, 2320196, 2821860, 2900245, 3423240, 3480294, 4640392, 5220441, 5643720, 5800490, 6960588, 8700735, 10440882, 11600980, 13921176, 17401470, 20881764, 23201960, 26102205, 34802940, 41763528, 52204410, 69605880, 104408820, 208817640]

約数ペア:

[(1, 208817640), (2, 104408820), (3, 69605880), (4, 52204410), (5, 41763528), (6, 34802940), (8, 26102205), (9, 23201960), (10, 20881764), (12, 17401470), (15, 13921176), (18, 11600980), (20, 10440882), (24, 8700735), (30, 6960588), (36, 5800490), (37, 5643720), (40, 5220441), (45, 4640392), (60, 3480294), (61, 3423240), (72, 2900245), (74, 2821860), (90, 2320196), (111, 1881240), (120, 1740147), (122, 1711620), (148, 1410930), (180, 1160098), (183, 1141080), (185, 1128744), (222, 940620), (244, 855810), (257, 812520), (296, 705465), (305, 684648), (333, 627080), (360, 580049), (366, 570540), (370, 564372), (444, 470310), (488, 427905), (514, 406260), (549, 380360), (555, 376248), (610, 342324), (666, 313540), (732, 285270), (740, 282186), (771, 270840), (888, 235155), (915, 228216), (1028, 203130), (1098, 190180), (1110, 188124), (1220, 171162), (1285, 162504), (1332, 156770), (1464, 142635), (1480, 141093), (1542, 135420), (1665, 125416), (1830, 114108), (2056, 101565), (2196, 95090), (2220, 94062), (2257, 92520), (2313, 90280), (2440, 85581), (2570, 81252), (2664, 78385), (2745, 76072), (3084, 67710), (3330, 62708), (3660, 57054), (3855, 54168), (4392, 47545), (4440, 47031), (4514, 46260), (4626, 45140), (5140, 40626), (5490, 38036), (6168, 33855), (6660, 31354), (6771, 30840), (7320, 28527), (7710, 27084), (9028, 23130), (9252, 22570), (9509, 21960), (10280, 20313), (10980, 19018), (11285, 18504), (11565, 18056), (13320, 15677), (13542, 15420)]