80739960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 278622720

約数和(自身を除く): 197882760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 277, 280, 347, 420, 554, 694, 831, 840, 1041, 1108, 1385, 1388, 1662, 1735, 1939, 2082, 2216, 2429, 2770, 2776, 3324, 3470, 3878, 4155, 4164, 4858, 5205, 5540, 5817, 6648, 6940, 7287, 7756, 8310, 8328, 9695, 9716, 10410, 11080, 11634, 12145, 13880, 14574, 15512, 16620, 19390, 19432, 20820, 23268, 24290, 29085, 29148, 33240, 36435, 38780, 41640, 46536, 48580, 58170, 58296, 72870, 77560, 96119, 97160, 116340, 145740, 192238, 232680, 288357, 291480, 384476, 480595, 576714, 672833, 768952, 961190, 1153428, 1345666, 1441785, 1922380, 2018499, 2306856, 2691332, 2883570, 3364165, 3844760, 4036998, 5382664, 5767140, 6728330, 8073996, 10092495, 11534280, 13456660, 16147992, 20184990, 26913320, 40369980, 80739960]

約数ペア:

[(1, 80739960), (2, 40369980), (3, 26913320), (4, 20184990), (5, 16147992), (6, 13456660), (7, 11534280), (8, 10092495), (10, 8073996), (12, 6728330), (14, 5767140), (15, 5382664), (20, 4036998), (21, 3844760), (24, 3364165), (28, 2883570), (30, 2691332), (35, 2306856), (40, 2018499), (42, 1922380), (56, 1441785), (60, 1345666), (70, 1153428), (84, 961190), (105, 768952), (120, 672833), (140, 576714), (168, 480595), (210, 384476), (277, 291480), (280, 288357), (347, 232680), (420, 192238), (554, 145740), (694, 116340), (831, 97160), (840, 96119), (1041, 77560), (1108, 72870), (1385, 58296), (1388, 58170), (1662, 48580), (1735, 46536), (1939, 41640), (2082, 38780), (2216, 36435), (2429, 33240), (2770, 29148), (2776, 29085), (3324, 24290), (3470, 23268), (3878, 20820), (4155, 19432), (4164, 19390), (4858, 16620), (5205, 15512), (5540, 14574), (5817, 13880), (6648, 12145), (6940, 11634), (7287, 11080), (7756, 10410), (8310, 9716), (8328, 9695)]