255468800

素因数分解:

$2^8\times 5^2\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:428

約数の個数: 108

約数和(自身を含む): 638709120

約数和(自身を除く): 383240320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 179, 200, 223, 256, 320, 358, 400, 446, 640, 716, 800, 892, 895, 1115, 1280, 1432, 1600, 1784, 1790, 2230, 2864, 3200, 3568, 3580, 4460, 4475, 5575, 5728, 6400, 7136, 7160, 8920, 8950, 11150, 11456, 14272, 14320, 17840, 17900, 22300, 22912, 28544, 28640, 35680, 35800, 39917, 44600, 45824, 57088, 57280, 71360, 71600, 79834, 89200, 114560, 142720, 143200, 159668, 178400, 199585, 229120, 285440, 286400, 319336, 356800, 399170, 572800, 638672, 713600, 798340, 997925, 1145600, 1277344, 1427200, 1596680, 1995850, 2554688, 3193360, 3991700, 5109376, 6386720, 7983400, 10218752, 12773440, 15966800, 25546880, 31933600, 51093760, 63867200, 127734400, 255468800]

約数ペア:

[(1, 255468800), (2, 127734400), (4, 63867200), (5, 51093760), (8, 31933600), (10, 25546880), (16, 15966800), (20, 12773440), (25, 10218752), (32, 7983400), (40, 6386720), (50, 5109376), (64, 3991700), (80, 3193360), (100, 2554688), (128, 1995850), (160, 1596680), (179, 1427200), (200, 1277344), (223, 1145600), (256, 997925), (320, 798340), (358, 713600), (400, 638672), (446, 572800), (640, 399170), (716, 356800), (800, 319336), (892, 286400), (895, 285440), (1115, 229120), (1280, 199585), (1432, 178400), (1600, 159668), (1784, 143200), (1790, 142720), (2230, 114560), (2864, 89200), (3200, 79834), (3568, 71600), (3580, 71360), (4460, 57280), (4475, 57088), (5575, 45824), (5728, 44600), (6400, 39917), (7136, 35800), (7160, 35680), (8920, 28640), (8950, 28544), (11150, 22912), (11456, 22300), (14272, 17900), (14320, 17840)]