21818916880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1289

約数の個数: 160

約数和(自身を含む): 53983687680

約数和(自身を除く): 32164770800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 101, 113, 115, 184, 202, 226, 230, 368, 404, 452, 460, 505, 565, 808, 904, 920, 1010, 1039, 1130, 1616, 1808, 1840, 2020, 2078, 2260, 2323, 2599, 4040, 4156, 4520, 4646, 5195, 5198, 8080, 8312, 9040, 9292, 10390, 10396, 11413, 11615, 12995, 16624, 18584, 20780, 20792, 22826, 23230, 23897, 25990, 37168, 41560, 41584, 45652, 46460, 47794, 51980, 57065, 83120, 91304, 92920, 95588, 103960, 104939, 114130, 117407, 119485, 182608, 185840, 191176, 207920, 209878, 228260, 234814, 238970, 262499, 382352, 419756, 456520, 469628, 477940, 524695, 524998, 587035, 839512, 913040, 939256, 955880, 1049390, 1049996, 1174070, 1312495, 1679024, 1878512, 1911760, 2098780, 2099992, 2348140, 2413597, 2624990, 2700361, 4197560, 4199984, 4696280, 4827194, 5249980, 5400722, 8395120, 9392560, 9654388, 10499960, 10801444, 11858107, 12067985, 13501805, 19308776, 20999920, 21602888, 23716214, 24135970, 27003610, 38617552, 43205776, 47432428, 48271940, 54007220, 59290535, 94864856, 96543880, 108014440, 118581070, 189729712, 193087760, 216028880, 237162140, 272736461, 474324280, 545472922, 948648560, 1090945844, 1363682305, 2181891688, 2727364610, 4363783376, 5454729220, 10909458440, 21818916880]

約数ペア:

[(1, 21818916880), (2, 10909458440), (4, 5454729220), (5, 4363783376), (8, 2727364610), (10, 2181891688), (16, 1363682305), (20, 1090945844), (23, 948648560), (40, 545472922), (46, 474324280), (80, 272736461), (92, 237162140), (101, 216028880), (113, 193087760), (115, 189729712), (184, 118581070), (202, 108014440), (226, 96543880), (230, 94864856), (368, 59290535), (404, 54007220), (452, 48271940), (460, 47432428), (505, 43205776), (565, 38617552), (808, 27003610), (904, 24135970), (920, 23716214), (1010, 21602888), (1039, 20999920), (1130, 19308776), (1616, 13501805), (1808, 12067985), (1840, 11858107), (2020, 10801444), (2078, 10499960), (2260, 9654388), (2323, 9392560), (2599, 8395120), (4040, 5400722), (4156, 5249980), (4520, 4827194), (4646, 4696280), (5195, 4199984), (5198, 4197560), (8080, 2700361), (8312, 2624990), (9040, 2413597), (9292, 2348140), (10390, 2099992), (10396, 2098780), (11413, 1911760), (11615, 1878512), (12995, 1679024), (16624, 1312495), (18584, 1174070), (20780, 1049996), (20792, 1049390), (22826, 955880), (23230, 939256), (23897, 913040), (25990, 839512), (37168, 587035), (41560, 524998), (41584, 524695), (45652, 477940), (46460, 469628), (47794, 456520), (51980, 419756), (57065, 382352), (83120, 262499), (91304, 238970), (92920, 234814), (95588, 228260), (103960, 209878), (104939, 207920), (114130, 191176), (117407, 185840), (119485, 182608)]