20568668400

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{816217}}^1$

素因数の和:816248

約数の個数: 180

約数和(自身を含む): 81576091792

約数和(自身を除く): 61007423392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1680, 1800, 2100, 2520, 2800, 3150, 3600, 4200, 5040, 6300, 8400, 12600, 25200, 816217, 1632434, 2448651, 3264868, 4081085, 4897302, 5713519, 6529736, 7345953, 8162170, 9794604, 11427038, 12243255, 13059472, 14691906, 16324340, 17140557, 19589208, 20405425, 22854076, 24486510, 28567595, 29383812, 32648680, 34281114, 36729765, 39178416, 40810850, 45708152, 48973020, 51421671, 57135190, 58767624, 61216275, 65297360, 68562228, 73459530, 81621700, 85702785, 91416304, 97946040, 102843342, 114270380, 117535248, 122432550, 137124456, 142837975, 146919060, 163243400, 171405570, 183648825, 195892080, 205686684, 228540760, 244865100, 257108355, 274248912, 285675950, 293838120, 326486800, 342811140, 367297650, 411373368, 428513925, 457081520, 489730200, 514216710, 571351900, 587676240, 685622280, 734595300, 822746736, 857027850, 979460400, 1028433420, 1142703800, 1285541775, 1371244560, 1469190600, 1714055700, 2056866840, 2285407600, 2571083550, 2938381200, 3428111400, 4113733680, 5142167100, 6856222800, 10284334200, 20568668400]

約数ペア:

[(1, 20568668400), (2, 10284334200), (3, 6856222800), (4, 5142167100), (5, 4113733680), (6, 3428111400), (7, 2938381200), (8, 2571083550), (9, 2285407600), (10, 2056866840), (12, 1714055700), (14, 1469190600), (15, 1371244560), (16, 1285541775), (18, 1142703800), (20, 1028433420), (21, 979460400), (24, 857027850), (25, 822746736), (28, 734595300), (30, 685622280), (35, 587676240), (36, 571351900), (40, 514216710), (42, 489730200), (45, 457081520), (48, 428513925), (50, 411373368), (56, 367297650), (60, 342811140), (63, 326486800), (70, 293838120), (72, 285675950), (75, 274248912), (80, 257108355), (84, 244865100), (90, 228540760), (100, 205686684), (105, 195892080), (112, 183648825), (120, 171405570), (126, 163243400), (140, 146919060), (144, 142837975), (150, 137124456), (168, 122432550), (175, 117535248), (180, 114270380), (200, 102843342), (210, 97946040), (225, 91416304), (240, 85702785), (252, 81621700), (280, 73459530), (300, 68562228), (315, 65297360), (336, 61216275), (350, 58767624), (360, 57135190), (400, 51421671), (420, 48973020), (450, 45708152), (504, 40810850), (525, 39178416), (560, 36729765), (600, 34281114), (630, 32648680), (700, 29383812), (720, 28567595), (840, 24486510), (900, 22854076), (1008, 20405425), (1050, 19589208), (1200, 17140557), (1260, 16324340), (1400, 14691906), (1575, 13059472), (1680, 12243255), (1800, 11427038), (2100, 9794604), (2520, 8162170), (2800, 7345953), (3150, 6529736), (3600, 5713519), (4200, 4897302), (5040, 4081085), (6300, 3264868), (8400, 2448651), (12600, 1632434), (25200, 816217)]