663128320

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5821}}^1$

素因数の和:5931

約数の個数: 72

約数和(自身を含む): 1606522680

約数和(自身を除く): 943394360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1280, 1424, 1780, 2848, 3560, 5696, 5821, 7120, 11392, 11642, 14240, 22784, 23284, 28480, 29105, 46568, 56960, 58210, 93136, 113920, 116420, 186272, 232840, 372544, 465680, 518069, 745088, 931360, 1036138, 1490176, 1862720, 2072276, 2590345, 3725440, 4144552, 5180690, 7450880, 8289104, 10361380, 16578208, 20722760, 33156416, 41445520, 66312832, 82891040, 132625664, 165782080, 331564160, 663128320]

約数ペア:

[(1, 663128320), (2, 331564160), (4, 165782080), (5, 132625664), (8, 82891040), (10, 66312832), (16, 41445520), (20, 33156416), (32, 20722760), (40, 16578208), (64, 10361380), (80, 8289104), (89, 7450880), (128, 5180690), (160, 4144552), (178, 3725440), (256, 2590345), (320, 2072276), (356, 1862720), (445, 1490176), (640, 1036138), (712, 931360), (890, 745088), (1280, 518069), (1424, 465680), (1780, 372544), (2848, 232840), (3560, 186272), (5696, 116420), (5821, 113920), (7120, 93136), (11392, 58210), (11642, 56960), (14240, 46568), (22784, 29105), (23284, 28480)]