1868706900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:615

約数の個数: 216

約数和(自身を含む): 6062216160

約数和(自身を除く): 4193509260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 109, 129, 150, 172, 180, 215, 218, 225, 258, 300, 327, 387, 430, 436, 443, 450, 516, 545, 645, 654, 774, 860, 886, 900, 981, 1075, 1090, 1290, 1308, 1329, 1548, 1635, 1772, 1935, 1962, 2150, 2180, 2215, 2580, 2658, 2725, 3225, 3270, 3870, 3924, 3987, 4300, 4430, 4687, 4905, 5316, 5450, 6450, 6540, 6645, 7740, 7974, 8175, 8860, 9374, 9675, 9810, 10900, 11075, 12900, 13290, 14061, 15948, 16350, 18748, 19049, 19350, 19620, 19935, 22150, 23435, 24525, 26580, 28122, 32700, 33225, 38098, 38700, 39870, 42183, 44300, 46870, 48287, 49050, 56244, 57147, 66450, 70305, 76196, 79740, 84366, 93740, 95245, 96574, 98100, 99675, 114294, 117175, 132900, 140610, 144861, 168732, 171441, 190490, 193148, 199350, 210915, 228588, 234350, 241435, 281220, 285735, 289722, 342882, 351525, 380980, 398700, 421830, 434583, 468700, 476225, 482870, 571470, 579444, 685764, 703050, 724305, 843660, 857205, 869166, 952450, 965740, 1054575, 1142940, 1207175, 1406100, 1428675, 1448610, 1714410, 1738332, 1904900, 2076341, 2109150, 2172915, 2414350, 2857350, 2897220, 3428820, 3621525, 4152682, 4218300, 4286025, 4345830, 4828700, 5714700, 6229023, 7243050, 8305364, 8572050, 8691660, 10381705, 10864575, 12458046, 14486100, 17144100, 18687069, 20763410, 21729150, 24916092, 31145115, 37374138, 41526820, 43458300, 51908525, 62290230, 74748276, 93435345, 103817050, 124580460, 155725575, 186870690, 207634100, 311451150, 373741380, 467176725, 622902300, 934353450, 1868706900]

約数ペア:

[(1, 1868706900), (2, 934353450), (3, 622902300), (4, 467176725), (5, 373741380), (6, 311451150), (9, 207634100), (10, 186870690), (12, 155725575), (15, 124580460), (18, 103817050), (20, 93435345), (25, 74748276), (30, 62290230), (36, 51908525), (43, 43458300), (45, 41526820), (50, 37374138), (60, 31145115), (75, 24916092), (86, 21729150), (90, 20763410), (100, 18687069), (109, 17144100), (129, 14486100), (150, 12458046), (172, 10864575), (180, 10381705), (215, 8691660), (218, 8572050), (225, 8305364), (258, 7243050), (300, 6229023), (327, 5714700), (387, 4828700), (430, 4345830), (436, 4286025), (443, 4218300), (450, 4152682), (516, 3621525), (545, 3428820), (645, 2897220), (654, 2857350), (774, 2414350), (860, 2172915), (886, 2109150), (900, 2076341), (981, 1904900), (1075, 1738332), (1090, 1714410), (1290, 1448610), (1308, 1428675), (1329, 1406100), (1548, 1207175), (1635, 1142940), (1772, 1054575), (1935, 965740), (1962, 952450), (2150, 869166), (2180, 857205), (2215, 843660), (2580, 724305), (2658, 703050), (2725, 685764), (3225, 579444), (3270, 571470), (3870, 482870), (3924, 476225), (3987, 468700), (4300, 434583), (4430, 421830), (4687, 398700), (4905, 380980), (5316, 351525), (5450, 342882), (6450, 289722), (6540, 285735), (6645, 281220), (7740, 241435), (7974, 234350), (8175, 228588), (8860, 210915), (9374, 199350), (9675, 193148), (9810, 190490), (10900, 171441), (11075, 168732), (12900, 144861), (13290, 140610), (14061, 132900), (15948, 117175), (16350, 114294), (18748, 99675), (19049, 98100), (19350, 96574), (19620, 95245), (19935, 93740), (22150, 84366), (23435, 79740), (24525, 76196), (26580, 70305), (28122, 66450), (32700, 57147), (33225, 56244), (38098, 49050), (38700, 48287), (39870, 46870), (42183, 44300)]