81706800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 240

約数和(自身を含む): 305551872

約数和(自身を除く): 223845072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 71, 75, 80, 84, 100, 105, 112, 120, 137, 140, 142, 150, 168, 175, 200, 210, 213, 240, 274, 280, 284, 300, 336, 350, 355, 400, 411, 420, 426, 497, 525, 548, 560, 568, 600, 685, 700, 710, 822, 840, 852, 959, 994, 1050, 1065, 1096, 1136, 1200, 1370, 1400, 1420, 1491, 1644, 1680, 1704, 1775, 1918, 1988, 2055, 2100, 2130, 2192, 2485, 2740, 2800, 2840, 2877, 2982, 3288, 3408, 3425, 3550, 3836, 3976, 4110, 4200, 4260, 4795, 4970, 5325, 5480, 5680, 5754, 5964, 6576, 6850, 7100, 7455, 7672, 7952, 8220, 8400, 8520, 9590, 9727, 9940, 10275, 10650, 10960, 11508, 11928, 12425, 13700, 14200, 14385, 14910, 15344, 16440, 17040, 19180, 19454, 19880, 20550, 21300, 23016, 23856, 23975, 24850, 27400, 28400, 28770, 29181, 29820, 32880, 37275, 38360, 38908, 39760, 41100, 42600, 46032, 47950, 48635, 49700, 54800, 57540, 58362, 59640, 68089, 71925, 74550, 76720, 77816, 82200, 85200, 95900, 97270, 99400, 115080, 116724, 119280, 136178, 143850, 145905, 149100, 155632, 164400, 191800, 194540, 198800, 204267, 230160, 233448, 243175, 272356, 287700, 291810, 298200, 340445, 383600, 389080, 408534, 466896, 486350, 544712, 575400, 583620, 596400, 680890, 729525, 778160, 817068, 972700, 1021335, 1089424, 1150800, 1167240, 1361780, 1459050, 1634136, 1702225, 1945400, 2042670, 2334480, 2723560, 2918100, 3268272, 3404450, 3890800, 4085340, 5106675, 5447120, 5836200, 6808900, 8170680, 10213350, 11672400, 13617800, 16341360, 20426700, 27235600, 40853400, 81706800]

約数ペア:

[(1, 81706800), (2, 40853400), (3, 27235600), (4, 20426700), (5, 16341360), (6, 13617800), (7, 11672400), (8, 10213350), (10, 8170680), (12, 6808900), (14, 5836200), (15, 5447120), (16, 5106675), (20, 4085340), (21, 3890800), (24, 3404450), (25, 3268272), (28, 2918100), (30, 2723560), (35, 2334480), (40, 2042670), (42, 1945400), (48, 1702225), (50, 1634136), (56, 1459050), (60, 1361780), (70, 1167240), (71, 1150800), (75, 1089424), (80, 1021335), (84, 972700), (100, 817068), (105, 778160), (112, 729525), (120, 680890), (137, 596400), (140, 583620), (142, 575400), (150, 544712), (168, 486350), (175, 466896), (200, 408534), (210, 389080), (213, 383600), (240, 340445), (274, 298200), (280, 291810), (284, 287700), (300, 272356), (336, 243175), (350, 233448), (355, 230160), (400, 204267), (411, 198800), (420, 194540), (426, 191800), (497, 164400), (525, 155632), (548, 149100), (560, 145905), (568, 143850), (600, 136178), (685, 119280), (700, 116724), (710, 115080), (822, 99400), (840, 97270), (852, 95900), (959, 85200), (994, 82200), (1050, 77816), (1065, 76720), (1096, 74550), (1136, 71925), (1200, 68089), (1370, 59640), (1400, 58362), (1420, 57540), (1491, 54800), (1644, 49700), (1680, 48635), (1704, 47950), (1775, 46032), (1918, 42600), (1988, 41100), (2055, 39760), (2100, 38908), (2130, 38360), (2192, 37275), (2485, 32880), (2740, 29820), (2800, 29181), (2840, 28770), (2877, 28400), (2982, 27400), (3288, 24850), (3408, 23975), (3425, 23856), (3550, 23016), (3836, 21300), (3976, 20550), (4110, 19880), (4200, 19454), (4260, 19180), (4795, 17040), (4970, 16440), (5325, 15344), (5480, 14910), (5680, 14385), (5754, 14200), (5964, 13700), (6576, 12425), (6850, 11928), (7100, 11508), (7455, 10960), (7672, 10650), (7952, 10275), (8220, 9940), (8400, 9727), (8520, 9590)]