55747760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 138607200

約数和(自身を除く): 82859440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 229, 272, 340, 358, 458, 680, 716, 895, 916, 1145, 1360, 1432, 1790, 1832, 2290, 2864, 3043, 3580, 3664, 3893, 4580, 6086, 7160, 7786, 9160, 12172, 14320, 15215, 15572, 18320, 19465, 24344, 30430, 31144, 38930, 40991, 48688, 60860, 62288, 77860, 81982, 121720, 155720, 163964, 204955, 243440, 311440, 327928, 409910, 655856, 696847, 819820, 1393694, 1639640, 2787388, 3279280, 3484235, 5574776, 6968470, 11149552, 13936940, 27873880, 55747760]

約数ペア:

[(1, 55747760), (2, 27873880), (4, 13936940), (5, 11149552), (8, 6968470), (10, 5574776), (16, 3484235), (17, 3279280), (20, 2787388), (34, 1639640), (40, 1393694), (68, 819820), (80, 696847), (85, 655856), (136, 409910), (170, 327928), (179, 311440), (229, 243440), (272, 204955), (340, 163964), (358, 155720), (458, 121720), (680, 81982), (716, 77860), (895, 62288), (916, 60860), (1145, 48688), (1360, 40991), (1432, 38930), (1790, 31144), (1832, 30430), (2290, 24344), (2864, 19465), (3043, 18320), (3580, 15572), (3664, 15215), (3893, 14320), (4580, 12172), (6086, 9160), (7160, 7786)]