68736780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3209}}^1$

素因数の和:3248

約数の個数: 144

約数和(自身を含む): 252383040

約数和(自身を除く): 183646260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3209, 3570, 4284, 5355, 6418, 7140, 9627, 10710, 12836, 16045, 19254, 21420, 22463, 28881, 32090, 38508, 44926, 48135, 54553, 57762, 64180, 67389, 89852, 96270, 109106, 112315, 115524, 134778, 144405, 163659, 192540, 202167, 218212, 224630, 269556, 272765, 288810, 327318, 336945, 381871, 404334, 449260, 490977, 545530, 577620, 654636, 673890, 763742, 808668, 818295, 981954, 1010835, 1091060, 1145613, 1347780, 1527484, 1636590, 1909355, 1963908, 2021670, 2291226, 2454885, 3273180, 3436839, 3818710, 4043340, 4582452, 4909770, 5728065, 6873678, 7637420, 9819540, 11456130, 13747356, 17184195, 22912260, 34368390, 68736780]

約数ペア:

[(1, 68736780), (2, 34368390), (3, 22912260), (4, 17184195), (5, 13747356), (6, 11456130), (7, 9819540), (9, 7637420), (10, 6873678), (12, 5728065), (14, 4909770), (15, 4582452), (17, 4043340), (18, 3818710), (20, 3436839), (21, 3273180), (28, 2454885), (30, 2291226), (34, 2021670), (35, 1963908), (36, 1909355), (42, 1636590), (45, 1527484), (51, 1347780), (60, 1145613), (63, 1091060), (68, 1010835), (70, 981954), (84, 818295), (85, 808668), (90, 763742), (102, 673890), (105, 654636), (119, 577620), (126, 545530), (140, 490977), (153, 449260), (170, 404334), (180, 381871), (204, 336945), (210, 327318), (238, 288810), (252, 272765), (255, 269556), (306, 224630), (315, 218212), (340, 202167), (357, 192540), (420, 163659), (476, 144405), (510, 134778), (595, 115524), (612, 112315), (630, 109106), (714, 96270), (765, 89852), (1020, 67389), (1071, 64180), (1190, 57762), (1260, 54553), (1428, 48135), (1530, 44926), (1785, 38508), (2142, 32090), (2380, 28881), (3060, 22463), (3209, 21420), (3570, 19254), (4284, 16045), (5355, 12836), (6418, 10710), (7140, 9627)]