21575520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14983}}^1$

素因数の和:15004

約数の個数: 72

約数和(自身を含む): 73631376

約数和(自身を除く): 52055856

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, 14983, 29966, 44949, 59932, 74915, 89898, 119864, 134847, 149830, 179796, 224745, 239728, 269694, 299660, 359592, 449490, 479456, 539388, 599320, 674235, 719184, 898980, 1078776, 1198640, 1348470, 1438368, 1797960, 2157552, 2397280, 2696940, 3595920, 4315104, 5393880, 7191840, 10787760, 21575520]

約数ペア:

[(1, 21575520), (2, 10787760), (3, 7191840), (4, 5393880), (5, 4315104), (6, 3595920), (8, 2696940), (9, 2397280), (10, 2157552), (12, 1797960), (15, 1438368), (16, 1348470), (18, 1198640), (20, 1078776), (24, 898980), (30, 719184), (32, 674235), (36, 599320), (40, 539388), (45, 479456), (48, 449490), (60, 359592), (72, 299660), (80, 269694), (90, 239728), (96, 224745), (120, 179796), (144, 149830), (160, 134847), (180, 119864), (240, 89898), (288, 74915), (360, 59932), (480, 44949), (720, 29966), (1440, 14983)]