64687140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 233587200

約数和(自身を除く): 168900060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 109, 126, 135, 140, 157, 180, 189, 210, 218, 252, 270, 314, 315, 327, 378, 420, 436, 471, 540, 545, 628, 630, 654, 756, 763, 785, 942, 945, 981, 1090, 1099, 1260, 1308, 1413, 1526, 1570, 1635, 1884, 1890, 1962, 2180, 2198, 2289, 2355, 2826, 2943, 3052, 3140, 3270, 3297, 3780, 3815, 3924, 4239, 4396, 4578, 4710, 4905, 5495, 5652, 5886, 6540, 6594, 6867, 7065, 7630, 8478, 9156, 9420, 9810, 9891, 10990, 11445, 11772, 13188, 13734, 14130, 14715, 15260, 16485, 16956, 17113, 19620, 19782, 20601, 21195, 21980, 22890, 27468, 28260, 29430, 29673, 32970, 34226, 34335, 39564, 41202, 42390, 45780, 49455, 51339, 58860, 59346, 65940, 68452, 68670, 82404, 84780, 85565, 98910, 102678, 103005, 118692, 119791, 137340, 148365, 154017, 171130, 197820, 205356, 206010, 239582, 256695, 296730, 308034, 342260, 359373, 412020, 462051, 479164, 513390, 593460, 598955, 616068, 718746, 770085, 924102, 1026780, 1078119, 1197910, 1437492, 1540170, 1796865, 1848204, 2156238, 2310255, 2395820, 3080340, 3234357, 3593730, 4312476, 4620510, 5390595, 6468714, 7187460, 9241020, 10781190, 12937428, 16171785, 21562380, 32343570, 64687140]

約数ペア:

[(1, 64687140), (2, 32343570), (3, 21562380), (4, 16171785), (5, 12937428), (6, 10781190), (7, 9241020), (9, 7187460), (10, 6468714), (12, 5390595), (14, 4620510), (15, 4312476), (18, 3593730), (20, 3234357), (21, 3080340), (27, 2395820), (28, 2310255), (30, 2156238), (35, 1848204), (36, 1796865), (42, 1540170), (45, 1437492), (54, 1197910), (60, 1078119), (63, 1026780), (70, 924102), (84, 770085), (90, 718746), (105, 616068), (108, 598955), (109, 593460), (126, 513390), (135, 479164), (140, 462051), (157, 412020), (180, 359373), (189, 342260), (210, 308034), (218, 296730), (252, 256695), (270, 239582), (314, 206010), (315, 205356), (327, 197820), (378, 171130), (420, 154017), (436, 148365), (471, 137340), (540, 119791), (545, 118692), (628, 103005), (630, 102678), (654, 98910), (756, 85565), (763, 84780), (785, 82404), (942, 68670), (945, 68452), (981, 65940), (1090, 59346), (1099, 58860), (1260, 51339), (1308, 49455), (1413, 45780), (1526, 42390), (1570, 41202), (1635, 39564), (1884, 34335), (1890, 34226), (1962, 32970), (2180, 29673), (2198, 29430), (2289, 28260), (2355, 27468), (2826, 22890), (2943, 21980), (3052, 21195), (3140, 20601), (3270, 19782), (3297, 19620), (3780, 17113), (3815, 16956), (3924, 16485), (4239, 15260), (4396, 14715), (4578, 14130), (4710, 13734), (4905, 13188), (5495, 11772), (5652, 11445), (5886, 10990), (6540, 9891), (6594, 9810), (6867, 9420), (7065, 9156), (7630, 8478)]