12465585920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{572867}}^1$

素因数の和:572905

約数の個数: 72

約数和(自身を含む): 31615439184

約数和(自身を除く): 19149853264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 572867, 1145734, 2291468, 2864335, 4582936, 5728670, 9165872, 9738739, 11457340, 18331744, 19477478, 22914680, 36663488, 38954956, 45829360, 48693695, 73326976, 77909912, 91658720, 97387390, 146653952, 155819824, 183317440, 194774780, 311639648, 366634880, 389549560, 623279296, 733269760, 779099120, 1246558592, 1558198240, 2493117184, 3116396480, 6232792960, 12465585920]

約数ペア:

[(1, 12465585920), (2, 6232792960), (4, 3116396480), (5, 2493117184), (8, 1558198240), (10, 1246558592), (16, 779099120), (17, 733269760), (20, 623279296), (32, 389549560), (34, 366634880), (40, 311639648), (64, 194774780), (68, 183317440), (80, 155819824), (85, 146653952), (128, 97387390), (136, 91658720), (160, 77909912), (170, 73326976), (256, 48693695), (272, 45829360), (320, 38954956), (340, 36663488), (544, 22914680), (640, 19477478), (680, 18331744), (1088, 11457340), (1280, 9738739), (1360, 9165872), (2176, 5728670), (2720, 4582936), (4352, 2864335), (5440, 2291468), (10880, 1145734), (21760, 572867)]