29828520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 101088000

約数和(自身を除く): 71259480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 389, 426, 540, 568, 639, 710, 778, 852, 1065, 1080, 1167, 1278, 1420, 1556, 1704, 1917, 1945, 2130, 2334, 2556, 2840, 3112, 3195, 3501, 3834, 3890, 4260, 4668, 5112, 5835, 6390, 7002, 7668, 7780, 8520, 9336, 9585, 10503, 11670, 12780, 14004, 15336, 15560, 17505, 19170, 21006, 23340, 25560, 27619, 28008, 35010, 38340, 42012, 46680, 52515, 55238, 70020, 76680, 82857, 84024, 105030, 110476, 138095, 140040, 165714, 210060, 220952, 248571, 276190, 331428, 414285, 420120, 497142, 552380, 662856, 745713, 828570, 994284, 1104760, 1242855, 1491426, 1657140, 1988568, 2485710, 2982852, 3314280, 3728565, 4971420, 5965704, 7457130, 9942840, 14914260, 29828520]

約数ペア:

[(1, 29828520), (2, 14914260), (3, 9942840), (4, 7457130), (5, 5965704), (6, 4971420), (8, 3728565), (9, 3314280), (10, 2982852), (12, 2485710), (15, 1988568), (18, 1657140), (20, 1491426), (24, 1242855), (27, 1104760), (30, 994284), (36, 828570), (40, 745713), (45, 662856), (54, 552380), (60, 497142), (71, 420120), (72, 414285), (90, 331428), (108, 276190), (120, 248571), (135, 220952), (142, 210060), (180, 165714), (213, 140040), (216, 138095), (270, 110476), (284, 105030), (355, 84024), (360, 82857), (389, 76680), (426, 70020), (540, 55238), (568, 52515), (639, 46680), (710, 42012), (778, 38340), (852, 35010), (1065, 28008), (1080, 27619), (1167, 25560), (1278, 23340), (1420, 21006), (1556, 19170), (1704, 17505), (1917, 15560), (1945, 15336), (2130, 14004), (2334, 12780), (2556, 11670), (2840, 10503), (3112, 9585), (3195, 9336), (3501, 8520), (3834, 7780), (3890, 7668), (4260, 7002), (4668, 6390), (5112, 5835)]