1489279620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{406907}}^1$

素因数の和:406980

約数の個数: 48

約数和(自身を含む): 4238353728

約数和(自身を除く): 2749074108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 406907, 813814, 1220721, 1627628, 2034535, 2441442, 4069070, 4882884, 6103605, 8138140, 12207210, 24414420, 24821327, 49642654, 74463981, 99285308, 124106635, 148927962, 248213270, 297855924, 372319905, 496426540, 744639810, 1489279620]

約数ペア:

[(1, 1489279620), (2, 744639810), (3, 496426540), (4, 372319905), (5, 297855924), (6, 248213270), (10, 148927962), (12, 124106635), (15, 99285308), (20, 74463981), (30, 49642654), (60, 24821327), (61, 24414420), (122, 12207210), (183, 8138140), (244, 6103605), (305, 4882884), (366, 4069070), (610, 2441442), (732, 2034535), (915, 1627628), (1220, 1220721), (1830, 813814), (3660, 406907)]