80039540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 210978432

約数和(自身を除く): 130938892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 53, 67, 70, 92, 98, 106, 115, 134, 140, 161, 196, 212, 230, 245, 265, 268, 322, 335, 371, 460, 469, 490, 530, 644, 670, 742, 805, 938, 980, 1060, 1127, 1219, 1340, 1484, 1541, 1610, 1855, 1876, 2254, 2345, 2438, 2597, 3082, 3220, 3283, 3551, 3710, 4508, 4690, 4876, 5194, 5635, 6095, 6164, 6566, 7102, 7420, 7705, 8533, 9380, 10388, 10787, 11270, 12190, 12985, 13132, 14204, 15410, 16415, 17066, 17755, 21574, 22540, 24380, 24857, 25970, 30820, 32830, 34132, 35510, 42665, 43148, 49714, 51940, 53935, 59731, 65660, 71020, 75509, 81673, 85330, 99428, 107870, 119462, 124285, 151018, 163346, 170660, 173999, 215740, 238924, 248570, 298655, 302036, 326692, 347998, 377545, 408365, 497140, 571711, 597310, 695996, 755090, 816730, 869995, 1143422, 1194620, 1510180, 1633460, 1739990, 2286844, 2858555, 3479980, 4001977, 5717110, 8003954, 11434220, 16007908, 20009885, 40019770, 80039540]

約数ペア:

[(1, 80039540), (2, 40019770), (4, 20009885), (5, 16007908), (7, 11434220), (10, 8003954), (14, 5717110), (20, 4001977), (23, 3479980), (28, 2858555), (35, 2286844), (46, 1739990), (49, 1633460), (53, 1510180), (67, 1194620), (70, 1143422), (92, 869995), (98, 816730), (106, 755090), (115, 695996), (134, 597310), (140, 571711), (161, 497140), (196, 408365), (212, 377545), (230, 347998), (245, 326692), (265, 302036), (268, 298655), (322, 248570), (335, 238924), (371, 215740), (460, 173999), (469, 170660), (490, 163346), (530, 151018), (644, 124285), (670, 119462), (742, 107870), (805, 99428), (938, 85330), (980, 81673), (1060, 75509), (1127, 71020), (1219, 65660), (1340, 59731), (1484, 53935), (1541, 51940), (1610, 49714), (1855, 43148), (1876, 42665), (2254, 35510), (2345, 34132), (2438, 32830), (2597, 30820), (3082, 25970), (3220, 24857), (3283, 24380), (3551, 22540), (3710, 21574), (4508, 17755), (4690, 17066), (4876, 16415), (5194, 15410), (5635, 14204), (6095, 13132), (6164, 12985), (6566, 12190), (7102, 11270), (7420, 10787), (7705, 10388), (8533, 9380)]