69777920

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 169629768

約数和(自身を除く): 99851848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 281, 320, 388, 485, 512, 562, 640, 776, 970, 1124, 1280, 1405, 1552, 1940, 2248, 2560, 2810, 3104, 3880, 4496, 5620, 6208, 7760, 8992, 11240, 12416, 15520, 17984, 22480, 24832, 27257, 31040, 35968, 44960, 49664, 54514, 62080, 71936, 89920, 109028, 124160, 136285, 143872, 179840, 218056, 248320, 272570, 359680, 436112, 545140, 719360, 872224, 1090280, 1744448, 2180560, 3488896, 4361120, 6977792, 8722240, 13955584, 17444480, 34888960, 69777920]

約数ペア:

[(1, 69777920), (2, 34888960), (4, 17444480), (5, 13955584), (8, 8722240), (10, 6977792), (16, 4361120), (20, 3488896), (32, 2180560), (40, 1744448), (64, 1090280), (80, 872224), (97, 719360), (128, 545140), (160, 436112), (194, 359680), (256, 272570), (281, 248320), (320, 218056), (388, 179840), (485, 143872), (512, 136285), (562, 124160), (640, 109028), (776, 89920), (970, 71936), (1124, 62080), (1280, 54514), (1405, 49664), (1552, 44960), (1940, 35968), (2248, 31040), (2560, 27257), (2810, 24832), (3104, 22480), (3880, 17984), (4496, 15520), (5620, 12416), (6208, 11240), (7760, 8992)]