128965749040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{787529}}^1$

素因数の和:787654

約数の個数: 80

約数和(自身を含む): 316398052800

約数和(自身を除く): 187432303760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1424, 1780, 1840, 2047, 3560, 4094, 7120, 8188, 10235, 16376, 20470, 32752, 40940, 81880, 163760, 787529, 1575058, 3150116, 3937645, 6300232, 7875290, 12600464, 15750580, 18113167, 31501160, 36226334, 63002320, 70090081, 72452668, 90565835, 140180162, 144905336, 181131670, 280360324, 289810672, 350450405, 362263340, 560720648, 700900810, 724526680, 1121441296, 1401801620, 1449053360, 1612071863, 2803603240, 3224143726, 5607206480, 6448287452, 8060359315, 12896574904, 16120718630, 25793149808, 32241437260, 64482874520, 128965749040]

約数ペア:

[(1, 128965749040), (2, 64482874520), (4, 32241437260), (5, 25793149808), (8, 16120718630), (10, 12896574904), (16, 8060359315), (20, 6448287452), (23, 5607206480), (40, 3224143726), (46, 2803603240), (80, 1612071863), (89, 1449053360), (92, 1401801620), (115, 1121441296), (178, 724526680), (184, 700900810), (230, 560720648), (356, 362263340), (368, 350450405), (445, 289810672), (460, 280360324), (712, 181131670), (890, 144905336), (920, 140180162), (1424, 90565835), (1780, 72452668), (1840, 70090081), (2047, 63002320), (3560, 36226334), (4094, 31501160), (7120, 18113167), (8188, 15750580), (10235, 12600464), (16376, 7875290), (20470, 6300232), (32752, 3937645), (40940, 3150116), (81880, 1575058), (163760, 787529)]