71671140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 218137920

約数和(自身を除く): 146466780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 907, 1317, 1756, 1814, 2195, 2634, 2721, 3628, 3951, 4390, 4535, 5268, 5442, 6585, 7902, 8163, 8780, 9070, 10884, 13170, 13605, 15804, 16326, 18140, 19755, 26340, 27210, 32652, 39510, 40815, 54420, 79020, 81630, 163260, 398173, 796346, 1194519, 1592692, 1990865, 2389038, 3583557, 3981730, 4778076, 5972595, 7167114, 7963460, 11945190, 14334228, 17917785, 23890380, 35835570, 71671140]

約数ペア:

[(1, 71671140), (2, 35835570), (3, 23890380), (4, 17917785), (5, 14334228), (6, 11945190), (9, 7963460), (10, 7167114), (12, 5972595), (15, 4778076), (18, 3981730), (20, 3583557), (30, 2389038), (36, 1990865), (45, 1592692), (60, 1194519), (90, 796346), (180, 398173), (439, 163260), (878, 81630), (907, 79020), (1317, 54420), (1756, 40815), (1814, 39510), (2195, 32652), (2634, 27210), (2721, 26340), (3628, 19755), (3951, 18140), (4390, 16326), (4535, 15804), (5268, 13605), (5442, 13170), (6585, 10884), (7902, 9070), (8163, 8780)]