80345640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7523}}^1$

素因数の和:7626

約数の個数: 64

約数和(自身を含む): 243777600

約数和(自身を除く): 163431960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 7523, 10680, 15046, 22569, 30092, 37615, 45138, 60184, 75230, 90276, 112845, 150460, 180552, 225690, 300920, 451380, 669547, 902760, 1339094, 2008641, 2678188, 3347735, 4017282, 5356376, 6695470, 8034564, 10043205, 13390940, 16069128, 20086410, 26781880, 40172820, 80345640]

約数ペア:

[(1, 80345640), (2, 40172820), (3, 26781880), (4, 20086410), (5, 16069128), (6, 13390940), (8, 10043205), (10, 8034564), (12, 6695470), (15, 5356376), (20, 4017282), (24, 3347735), (30, 2678188), (40, 2008641), (60, 1339094), (89, 902760), (120, 669547), (178, 451380), (267, 300920), (356, 225690), (445, 180552), (534, 150460), (712, 112845), (890, 90276), (1068, 75230), (1335, 60184), (1780, 45138), (2136, 37615), (2670, 30092), (3560, 22569), (5340, 15046), (7523, 10680)]