27720721764

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{55441}}^1$

素因数の和:55530

約数の個数: 144

約数和(自身を含む): 79916316480

約数和(自身を除く): 52195594716

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 43, 51, 57, 68, 76, 86, 102, 114, 129, 153, 171, 172, 204, 228, 258, 306, 323, 342, 387, 516, 612, 646, 684, 731, 774, 817, 969, 1292, 1462, 1548, 1634, 1938, 2193, 2451, 2907, 2924, 3268, 3876, 4386, 4902, 5814, 6579, 7353, 8772, 9804, 11628, 13158, 13889, 14706, 26316, 27778, 29412, 41667, 55441, 55556, 83334, 110882, 125001, 166323, 166668, 221764, 250002, 332646, 498969, 500004, 665292, 942497, 997938, 1053379, 1884994, 1995876, 2106758, 2383963, 2827491, 3160137, 3769988, 4213516, 4767926, 5654982, 6320274, 7151889, 8482473, 9480411, 9535852, 11309964, 12640548, 14303778, 16964946, 17907443, 18960822, 21455667, 28607556, 33929892, 35814886, 37921644, 40527371, 42911334, 45295297, 53722329, 71629772, 81054742, 85822668, 90590594, 107444658, 121582113, 135885891, 161166987, 162109484, 181181188, 214889316, 243164226, 271771782, 322333974, 364746339, 407657673, 486328452, 543543564, 644667948, 729492678, 770020049, 815315346, 1458985356, 1540040098, 1630630692, 2310060147, 3080080196, 4620120294, 6930180441, 9240240588, 13860360882, 27720721764]

約数ペア:

[(1, 27720721764), (2, 13860360882), (3, 9240240588), (4, 6930180441), (6, 4620120294), (9, 3080080196), (12, 2310060147), (17, 1630630692), (18, 1540040098), (19, 1458985356), (34, 815315346), (36, 770020049), (38, 729492678), (43, 644667948), (51, 543543564), (57, 486328452), (68, 407657673), (76, 364746339), (86, 322333974), (102, 271771782), (114, 243164226), (129, 214889316), (153, 181181188), (171, 162109484), (172, 161166987), (204, 135885891), (228, 121582113), (258, 107444658), (306, 90590594), (323, 85822668), (342, 81054742), (387, 71629772), (516, 53722329), (612, 45295297), (646, 42911334), (684, 40527371), (731, 37921644), (774, 35814886), (817, 33929892), (969, 28607556), (1292, 21455667), (1462, 18960822), (1548, 17907443), (1634, 16964946), (1938, 14303778), (2193, 12640548), (2451, 11309964), (2907, 9535852), (2924, 9480411), (3268, 8482473), (3876, 7151889), (4386, 6320274), (4902, 5654982), (5814, 4767926), (6579, 4213516), (7353, 3769988), (8772, 3160137), (9804, 2827491), (11628, 2383963), (13158, 2106758), (13889, 1995876), (14706, 1884994), (26316, 1053379), (27778, 997938), (29412, 942497), (41667, 665292), (55441, 500004), (55556, 498969), (83334, 332646), (110882, 250002), (125001, 221764), (166323, 166668)]