19800600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 62503440

約数和(自身を除く): 42702840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 61, 75, 100, 120, 122, 150, 183, 200, 244, 300, 305, 366, 488, 541, 600, 610, 732, 915, 1082, 1220, 1464, 1525, 1623, 1830, 2164, 2440, 2705, 3050, 3246, 3660, 4328, 4575, 5410, 6100, 6492, 7320, 8115, 9150, 10820, 12200, 12984, 13525, 16230, 18300, 21640, 27050, 32460, 33001, 36600, 40575, 54100, 64920, 66002, 81150, 99003, 108200, 132004, 162300, 165005, 198006, 264008, 324600, 330010, 396012, 495015, 660020, 792024, 825025, 990030, 1320040, 1650050, 1980060, 2475075, 3300100, 3960120, 4950150, 6600200, 9900300, 19800600]

約数ペア:

[(1, 19800600), (2, 9900300), (3, 6600200), (4, 4950150), (5, 3960120), (6, 3300100), (8, 2475075), (10, 1980060), (12, 1650050), (15, 1320040), (20, 990030), (24, 825025), (25, 792024), (30, 660020), (40, 495015), (50, 396012), (60, 330010), (61, 324600), (75, 264008), (100, 198006), (120, 165005), (122, 162300), (150, 132004), (183, 108200), (200, 99003), (244, 81150), (300, 66002), (305, 64920), (366, 54100), (488, 40575), (541, 36600), (600, 33001), (610, 32460), (732, 27050), (915, 21640), (1082, 18300), (1220, 16230), (1464, 13525), (1525, 12984), (1623, 12200), (1830, 10820), (2164, 9150), (2440, 8115), (2705, 7320), (3050, 6492), (3246, 6100), (3660, 5410), (4328, 4575)]