81599040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 168

約数和(自身を含む): 290642040

約数和(自身を除く): 209043000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 435, 464, 480, 522, 576, 580, 696, 720, 870, 928, 960, 977, 1044, 1160, 1305, 1392, 1440, 1740, 1856, 1954, 2088, 2320, 2610, 2784, 2880, 2931, 3480, 3908, 4176, 4640, 4885, 5220, 5568, 5862, 6960, 7816, 8352, 8793, 9280, 9770, 10440, 11724, 13920, 14655, 15632, 16704, 17586, 19540, 20880, 23448, 27840, 28333, 29310, 31264, 35172, 39080, 41760, 43965, 46896, 56666, 58620, 62528, 70344, 78160, 83520, 84999, 87930, 93792, 113332, 117240, 140688, 141665, 156320, 169998, 175860, 187584, 226664, 234480, 254997, 281376, 283330, 312640, 339996, 351720, 424995, 453328, 468960, 509994, 562752, 566660, 679992, 703440, 849990, 906656, 937920, 1019988, 1133320, 1274985, 1359984, 1406880, 1699980, 1813312, 2039976, 2266640, 2549970, 2719968, 2813760, 3399960, 4079952, 4533280, 5099940, 5439936, 6799920, 8159904, 9066560, 10199880, 13599840, 16319808, 20399760, 27199680, 40799520, 81599040]

約数ペア:

[(1, 81599040), (2, 40799520), (3, 27199680), (4, 20399760), (5, 16319808), (6, 13599840), (8, 10199880), (9, 9066560), (10, 8159904), (12, 6799920), (15, 5439936), (16, 5099940), (18, 4533280), (20, 4079952), (24, 3399960), (29, 2813760), (30, 2719968), (32, 2549970), (36, 2266640), (40, 2039976), (45, 1813312), (48, 1699980), (58, 1406880), (60, 1359984), (64, 1274985), (72, 1133320), (80, 1019988), (87, 937920), (90, 906656), (96, 849990), (116, 703440), (120, 679992), (144, 566660), (145, 562752), (160, 509994), (174, 468960), (180, 453328), (192, 424995), (232, 351720), (240, 339996), (261, 312640), (288, 283330), (290, 281376), (320, 254997), (348, 234480), (360, 226664), (435, 187584), (464, 175860), (480, 169998), (522, 156320), (576, 141665), (580, 140688), (696, 117240), (720, 113332), (870, 93792), (928, 87930), (960, 84999), (977, 83520), (1044, 78160), (1160, 70344), (1305, 62528), (1392, 58620), (1440, 56666), (1740, 46896), (1856, 43965), (1954, 41760), (2088, 39080), (2320, 35172), (2610, 31264), (2784, 29310), (2880, 28333), (2931, 27840), (3480, 23448), (3908, 20880), (4176, 19540), (4640, 17586), (4885, 16704), (5220, 15632), (5568, 14655), (5862, 13920), (6960, 11724), (7816, 10440), (8352, 9770), (8793, 9280)]