990570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 2799360

約数和(自身を除く): 1808790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 89, 105, 106, 159, 178, 210, 265, 267, 318, 371, 445, 530, 534, 623, 742, 795, 890, 1113, 1246, 1335, 1590, 1855, 1869, 2226, 2670, 3115, 3710, 3738, 4717, 5565, 6230, 9345, 9434, 11130, 14151, 18690, 23585, 28302, 33019, 47170, 66038, 70755, 99057, 141510, 165095, 198114, 330190, 495285, 990570]

約数ペア:

[(1, 990570), (2, 495285), (3, 330190), (5, 198114), (6, 165095), (7, 141510), (10, 99057), (14, 70755), (15, 66038), (21, 47170), (30, 33019), (35, 28302), (42, 23585), (53, 18690), (70, 14151), (89, 11130), (105, 9434), (106, 9345), (159, 6230), (178, 5565), (210, 4717), (265, 3738), (267, 3710), (318, 3115), (371, 2670), (445, 2226), (530, 1869), (534, 1855), (623, 1590), (742, 1335), (795, 1246), (890, 1113)]