280131120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1699}}^1$

素因数の和:1947

約数の個数: 120

約数和(自身を含む): 945438000

約数和(自身を除く): 665306880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 229, 240, 360, 458, 687, 720, 916, 1145, 1374, 1699, 1832, 2061, 2290, 2748, 3398, 3435, 3664, 4122, 4580, 5097, 5496, 6796, 6870, 8244, 8495, 9160, 10194, 10305, 10992, 13592, 13740, 15291, 16488, 16990, 18320, 20388, 20610, 25485, 27184, 27480, 30582, 32976, 33980, 40776, 41220, 50970, 54960, 61164, 67960, 76455, 81552, 82440, 101940, 122328, 135920, 152910, 164880, 203880, 244656, 305820, 389071, 407760, 611640, 778142, 1167213, 1223280, 1556284, 1945355, 2334426, 3112568, 3501639, 3890710, 4668852, 5836065, 6225136, 7003278, 7781420, 9337704, 11672130, 14006556, 15562840, 17508195, 18675408, 23344260, 28013112, 31125680, 35016390, 46688520, 56026224, 70032780, 93377040, 140065560, 280131120]

約数ペア:

[(1, 280131120), (2, 140065560), (3, 93377040), (4, 70032780), (5, 56026224), (6, 46688520), (8, 35016390), (9, 31125680), (10, 28013112), (12, 23344260), (15, 18675408), (16, 17508195), (18, 15562840), (20, 14006556), (24, 11672130), (30, 9337704), (36, 7781420), (40, 7003278), (45, 6225136), (48, 5836065), (60, 4668852), (72, 3890710), (80, 3501639), (90, 3112568), (120, 2334426), (144, 1945355), (180, 1556284), (229, 1223280), (240, 1167213), (360, 778142), (458, 611640), (687, 407760), (720, 389071), (916, 305820), (1145, 244656), (1374, 203880), (1699, 164880), (1832, 152910), (2061, 135920), (2290, 122328), (2748, 101940), (3398, 82440), (3435, 81552), (3664, 76455), (4122, 67960), (4580, 61164), (5097, 54960), (5496, 50970), (6796, 41220), (6870, 40776), (8244, 33980), (8495, 32976), (9160, 30582), (10194, 27480), (10305, 27184), (10992, 25485), (13592, 20610), (13740, 20388), (15291, 18320), (16488, 16990)]