19723680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13697}}^1$

素因数の和:13718

約数の個数: 72

約数和(自身を含む): 67311972

約数和(自身を除く): 47588292

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13697, 27394, 41091, 54788, 68485, 82182, 109576, 123273, 136970, 164364, 205455, 219152, 246546, 273940, 328728, 410910, 438304, 493092, 547880, 616365, 657456, 821820, 986184, 1095760, 1232730, 1314912, 1643640, 1972368, 2191520, 2465460, 3287280, 3944736, 4930920, 6574560, 9861840, 19723680]

約数ペア:

[(1, 19723680), (2, 9861840), (3, 6574560), (4, 4930920), (5, 3944736), (6, 3287280), (8, 2465460), (9, 2191520), (10, 1972368), (12, 1643640), (15, 1314912), (16, 1232730), (18, 1095760), (20, 986184), (24, 821820), (30, 657456), (32, 616365), (36, 547880), (40, 493092), (45, 438304), (48, 410910), (60, 328728), (72, 273940), (80, 246546), (90, 219152), (96, 205455), (120, 164364), (144, 136970), (160, 123273), (180, 109576), (240, 82182), (288, 68485), (360, 54788), (480, 41091), (720, 27394), (1440, 13697)]