80334280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 210470400

約数和(自身を除く): 130136120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 47, 52, 65, 76, 94, 95, 104, 130, 152, 173, 188, 190, 235, 247, 260, 346, 376, 380, 470, 494, 520, 611, 692, 760, 865, 893, 940, 988, 1222, 1235, 1384, 1730, 1786, 1880, 1976, 2249, 2444, 2470, 3055, 3287, 3460, 3572, 4465, 4498, 4888, 4940, 6110, 6574, 6920, 7144, 8131, 8930, 8996, 9880, 11245, 11609, 12220, 13148, 16262, 16435, 17860, 17992, 22490, 23218, 24440, 26296, 32524, 32870, 35720, 40655, 42731, 44980, 46436, 58045, 65048, 65740, 81310, 85462, 89960, 92872, 105703, 116090, 131480, 154489, 162620, 170924, 211406, 213655, 232180, 308978, 325240, 341848, 422812, 427310, 464360, 528515, 617956, 772445, 845624, 854620, 1057030, 1235912, 1544890, 1709240, 2008357, 2114060, 3089780, 4016714, 4228120, 6179560, 8033428, 10041785, 16066856, 20083570, 40167140, 80334280]

約数ペア:

[(1, 80334280), (2, 40167140), (4, 20083570), (5, 16066856), (8, 10041785), (10, 8033428), (13, 6179560), (19, 4228120), (20, 4016714), (26, 3089780), (38, 2114060), (40, 2008357), (47, 1709240), (52, 1544890), (65, 1235912), (76, 1057030), (94, 854620), (95, 845624), (104, 772445), (130, 617956), (152, 528515), (173, 464360), (188, 427310), (190, 422812), (235, 341848), (247, 325240), (260, 308978), (346, 232180), (376, 213655), (380, 211406), (470, 170924), (494, 162620), (520, 154489), (611, 131480), (692, 116090), (760, 105703), (865, 92872), (893, 89960), (940, 85462), (988, 81310), (1222, 65740), (1235, 65048), (1384, 58045), (1730, 46436), (1786, 44980), (1880, 42731), (1976, 40655), (2249, 35720), (2444, 32870), (2470, 32524), (3055, 26296), (3287, 24440), (3460, 23218), (3572, 22490), (4465, 17992), (4498, 17860), (4888, 16435), (4940, 16262), (6110, 13148), (6574, 12220), (6920, 11609), (7144, 11245), (8131, 9880), (8930, 8996)]