178923420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76463}}^1$

素因数の和:76491

約数の個数: 72

約数和(自身を含む): 584490816

約数和(自身を除く): 405567396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 76463, 152926, 229389, 305852, 382315, 458778, 688167, 764630, 917556, 994019, 1146945, 1376334, 1529260, 1988038, 2293890, 2752668, 2982057, 3440835, 3976076, 4587780, 4970095, 5964114, 6881670, 8946171, 9940190, 11928228, 13763340, 14910285, 17892342, 19880380, 29820570, 35784684, 44730855, 59641140, 89461710, 178923420]

約数ペア:

[(1, 178923420), (2, 89461710), (3, 59641140), (4, 44730855), (5, 35784684), (6, 29820570), (9, 19880380), (10, 17892342), (12, 14910285), (13, 13763340), (15, 11928228), (18, 9940190), (20, 8946171), (26, 6881670), (30, 5964114), (36, 4970095), (39, 4587780), (45, 3976076), (52, 3440835), (60, 2982057), (65, 2752668), (78, 2293890), (90, 1988038), (117, 1529260), (130, 1376334), (156, 1146945), (180, 994019), (195, 917556), (234, 764630), (260, 688167), (390, 458778), (468, 382315), (585, 305852), (780, 229389), (1170, 152926), (2340, 76463)]