85400820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24971}}^1$

素因数の和:25005

約数の個数: 72

約数和(自身を含む): 272694240

約数和(自身を除く): 187293420

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, 24971, 49942, 74913, 99884, 124855, 149826, 224739, 249710, 299652, 374565, 449478, 474449, 499420, 749130, 898956, 948898, 1123695, 1423347, 1498260, 1897796, 2247390, 2372245, 2846694, 4270041, 4494780, 4744490, 5693388, 7116735, 8540082, 9488980, 14233470, 17080164, 21350205, 28466940, 42700410, 85400820]

約数ペア:

[(1, 85400820), (2, 42700410), (3, 28466940), (4, 21350205), (5, 17080164), (6, 14233470), (9, 9488980), (10, 8540082), (12, 7116735), (15, 5693388), (18, 4744490), (19, 4494780), (20, 4270041), (30, 2846694), (36, 2372245), (38, 2247390), (45, 1897796), (57, 1498260), (60, 1423347), (76, 1123695), (90, 948898), (95, 898956), (114, 749130), (171, 499420), (180, 474449), (190, 449478), (228, 374565), (285, 299652), (342, 249710), (380, 224739), (570, 149826), (684, 124855), (855, 99884), (1140, 74913), (1710, 49942), (3420, 24971)]