68639760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13619}}^1$

素因数の和:13645

約数の個数: 120

約数和(自身を含む): 263465280

約数和(自身を除く): 194825520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 13619, 27238, 40857, 54476, 68095, 81714, 95333, 108952, 122571, 136190, 163428, 190666, 204285, 217904, 245142, 272380, 285999, 326856, 381332, 408570, 476665, 490284, 544760, 571998, 612855, 653712, 762664, 817140, 857997, 953330, 980568, 1089520, 1143996, 1225710, 1429995, 1525328, 1634280, 1715994, 1906660, 1961136, 2287992, 2451420, 2859990, 3268560, 3431988, 3813320, 4289985, 4575984, 4902840, 5719980, 6863976, 7626640, 8579970, 9805680, 11439960, 13727952, 17159940, 22879920, 34319880, 68639760]

約数ペア:

[(1, 68639760), (2, 34319880), (3, 22879920), (4, 17159940), (5, 13727952), (6, 11439960), (7, 9805680), (8, 8579970), (9, 7626640), (10, 6863976), (12, 5719980), (14, 4902840), (15, 4575984), (16, 4289985), (18, 3813320), (20, 3431988), (21, 3268560), (24, 2859990), (28, 2451420), (30, 2287992), (35, 1961136), (36, 1906660), (40, 1715994), (42, 1634280), (45, 1525328), (48, 1429995), (56, 1225710), (60, 1143996), (63, 1089520), (70, 980568), (72, 953330), (80, 857997), (84, 817140), (90, 762664), (105, 653712), (112, 612855), (120, 571998), (126, 544760), (140, 490284), (144, 476665), (168, 408570), (180, 381332), (210, 326856), (240, 285999), (252, 272380), (280, 245142), (315, 217904), (336, 204285), (360, 190666), (420, 163428), (504, 136190), (560, 122571), (630, 108952), (720, 95333), (840, 81714), (1008, 68095), (1260, 54476), (1680, 40857), (2520, 27238), (5040, 13619)]