87582780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25609}}^1$

素因数の和:25643

約数の個数: 72

約数和(自身を含む): 279661200

約数和(自身を除く): 192078420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 25609, 51218, 76827, 102436, 128045, 153654, 230481, 256090, 307308, 384135, 460962, 486571, 512180, 768270, 921924, 973142, 1152405, 1459713, 1536540, 1946284, 2304810, 2432855, 2919426, 4379139, 4609620, 4865710, 5838852, 7298565, 8758278, 9731420, 14597130, 17516556, 21895695, 29194260, 43791390, 87582780]

約数ペア:

[(1, 87582780), (2, 43791390), (3, 29194260), (4, 21895695), (5, 17516556), (6, 14597130), (9, 9731420), (10, 8758278), (12, 7298565), (15, 5838852), (18, 4865710), (19, 4609620), (20, 4379139), (30, 2919426), (36, 2432855), (38, 2304810), (45, 1946284), (57, 1536540), (60, 1459713), (76, 1152405), (90, 973142), (95, 921924), (114, 768270), (171, 512180), (180, 486571), (190, 460962), (228, 384135), (285, 307308), (342, 256090), (380, 230481), (570, 153654), (684, 128045), (855, 102436), (1140, 76827), (1710, 51218), (3420, 25609)]