440681280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35311}}^1$

素因数の和:35344

約数の個数: 112

約数和(自身を含む): 1506833664

約数和(自身を除く): 1066152384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 35311, 70622, 105933, 141244, 176555, 211866, 282488, 353110, 423732, 459043, 529665, 564976, 706220, 847464, 918086, 1059330, 1129952, 1377129, 1412440, 1694928, 1836172, 2118660, 2259904, 2295215, 2754258, 2824880, 3389856, 3672344, 4237320, 4590430, 5508516, 5649760, 6779712, 6885645, 7344688, 8474640, 9180860, 11017032, 11299520, 13771290, 14689376, 16949280, 18361720, 22034064, 27542580, 29378752, 33898560, 36723440, 44068128, 55085160, 73446880, 88136256, 110170320, 146893760, 220340640, 440681280]

約数ペア:

[(1, 440681280), (2, 220340640), (3, 146893760), (4, 110170320), (5, 88136256), (6, 73446880), (8, 55085160), (10, 44068128), (12, 36723440), (13, 33898560), (15, 29378752), (16, 27542580), (20, 22034064), (24, 18361720), (26, 16949280), (30, 14689376), (32, 13771290), (39, 11299520), (40, 11017032), (48, 9180860), (52, 8474640), (60, 7344688), (64, 6885645), (65, 6779712), (78, 5649760), (80, 5508516), (96, 4590430), (104, 4237320), (120, 3672344), (130, 3389856), (156, 2824880), (160, 2754258), (192, 2295215), (195, 2259904), (208, 2118660), (240, 1836172), (260, 1694928), (312, 1412440), (320, 1377129), (390, 1129952), (416, 1059330), (480, 918086), (520, 847464), (624, 706220), (780, 564976), (832, 529665), (960, 459043), (1040, 423732), (1248, 353110), (1560, 282488), (2080, 211866), (2496, 176555), (3120, 141244), (4160, 105933), (6240, 70622), (12480, 35311)]