81579000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 128

約数和(自身を含む): 258785280

約数和(自身を除く): 177206280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 71, 75, 100, 120, 125, 142, 150, 200, 213, 250, 284, 300, 355, 375, 383, 426, 500, 568, 600, 710, 750, 766, 852, 1000, 1065, 1149, 1420, 1500, 1532, 1704, 1775, 1915, 2130, 2298, 2840, 3000, 3064, 3550, 3830, 4260, 4596, 5325, 5745, 7100, 7660, 8520, 8875, 9192, 9575, 10650, 11490, 14200, 15320, 17750, 19150, 21300, 22980, 26625, 27193, 28725, 35500, 38300, 42600, 45960, 47875, 53250, 54386, 57450, 71000, 76600, 81579, 95750, 106500, 108772, 114900, 135965, 143625, 163158, 191500, 213000, 217544, 229800, 271930, 287250, 326316, 383000, 407895, 543860, 574500, 652632, 679825, 815790, 1087720, 1149000, 1359650, 1631580, 2039475, 2719300, 3263160, 3399125, 4078950, 5438600, 6798250, 8157900, 10197375, 13596500, 16315800, 20394750, 27193000, 40789500, 81579000]

約数ペア:

[(1, 81579000), (2, 40789500), (3, 27193000), (4, 20394750), (5, 16315800), (6, 13596500), (8, 10197375), (10, 8157900), (12, 6798250), (15, 5438600), (20, 4078950), (24, 3399125), (25, 3263160), (30, 2719300), (40, 2039475), (50, 1631580), (60, 1359650), (71, 1149000), (75, 1087720), (100, 815790), (120, 679825), (125, 652632), (142, 574500), (150, 543860), (200, 407895), (213, 383000), (250, 326316), (284, 287250), (300, 271930), (355, 229800), (375, 217544), (383, 213000), (426, 191500), (500, 163158), (568, 143625), (600, 135965), (710, 114900), (750, 108772), (766, 106500), (852, 95750), (1000, 81579), (1065, 76600), (1149, 71000), (1420, 57450), (1500, 54386), (1532, 53250), (1704, 47875), (1775, 45960), (1915, 42600), (2130, 38300), (2298, 35500), (2840, 28725), (3000, 27193), (3064, 26625), (3550, 22980), (3830, 21300), (4260, 19150), (4596, 17750), (5325, 15320), (5745, 14200), (7100, 11490), (7660, 10650), (8520, 9575), (8875, 9192)]