31352680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 75116160

約数和(自身を除く): 43763480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 643, 920, 1060, 1219, 1286, 2120, 2438, 2572, 3215, 4876, 5144, 6095, 6430, 9752, 12190, 12860, 14789, 24380, 25720, 29578, 34079, 48760, 59156, 68158, 73945, 118312, 136316, 147890, 170395, 272632, 295780, 340790, 591560, 681580, 783817, 1363160, 1567634, 3135268, 3919085, 6270536, 7838170, 15676340, 31352680]

約数ペア:

[(1, 31352680), (2, 15676340), (4, 7838170), (5, 6270536), (8, 3919085), (10, 3135268), (20, 1567634), (23, 1363160), (40, 783817), (46, 681580), (53, 591560), (92, 340790), (106, 295780), (115, 272632), (184, 170395), (212, 147890), (230, 136316), (265, 118312), (424, 73945), (460, 68158), (530, 59156), (643, 48760), (920, 34079), (1060, 29578), (1219, 25720), (1286, 24380), (2120, 14789), (2438, 12860), (2572, 12190), (3215, 9752), (4876, 6430), (5144, 6095)]