27748720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 67995648

約数和(自身を除く): 40246928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 167, 248, 268, 310, 334, 335, 496, 536, 620, 668, 670, 835, 1072, 1240, 1336, 1340, 1670, 2077, 2480, 2672, 2680, 3340, 4154, 5177, 5360, 6680, 8308, 10354, 10385, 11189, 13360, 16616, 20708, 20770, 22378, 25885, 33232, 41416, 41540, 44756, 51770, 55945, 82832, 83080, 89512, 103540, 111890, 166160, 179024, 207080, 223780, 346859, 414160, 447560, 693718, 895120, 1387436, 1734295, 2774872, 3468590, 5549744, 6937180, 13874360, 27748720]

約数ペア:

[(1, 27748720), (2, 13874360), (4, 6937180), (5, 5549744), (8, 3468590), (10, 2774872), (16, 1734295), (20, 1387436), (31, 895120), (40, 693718), (62, 447560), (67, 414160), (80, 346859), (124, 223780), (134, 207080), (155, 179024), (167, 166160), (248, 111890), (268, 103540), (310, 89512), (334, 83080), (335, 82832), (496, 55945), (536, 51770), (620, 44756), (668, 41540), (670, 41416), (835, 33232), (1072, 25885), (1240, 22378), (1336, 20770), (1340, 20708), (1670, 16616), (2077, 13360), (2480, 11189), (2672, 10385), (2680, 10354), (3340, 8308), (4154, 6680), (5177, 5360)]