780385120

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{26947}}^1$

素因数の和:27143

約数の個数: 48

約数和(自身を含む): 1853914608

約数和(自身を除く): 1073529488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 5792, 7240, 14480, 26947, 28960, 53894, 107788, 134735, 215576, 269470, 431152, 538940, 862304, 1077880, 2155760, 4311520, 4877407, 9754814, 19509628, 24387035, 39019256, 48774070, 78038512, 97548140, 156077024, 195096280, 390192560, 780385120]

約数ペア:

[(1, 780385120), (2, 390192560), (4, 195096280), (5, 156077024), (8, 97548140), (10, 78038512), (16, 48774070), (20, 39019256), (32, 24387035), (40, 19509628), (80, 9754814), (160, 4877407), (181, 4311520), (362, 2155760), (724, 1077880), (905, 862304), (1448, 538940), (1810, 431152), (2896, 269470), (3620, 215576), (5792, 134735), (7240, 107788), (14480, 53894), (26947, 28960)]