2820795720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{7019}}^1$

素因数の和:7247

約数の個数: 128

約数和(自身を含む): 9006940800

約数和(自身を除く): 6186145080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 197, 204, 255, 340, 394, 408, 510, 591, 680, 788, 985, 1020, 1182, 1576, 1970, 2040, 2364, 2955, 3349, 3940, 4728, 5910, 6698, 7019, 7880, 10047, 11820, 13396, 14038, 16745, 20094, 21057, 23640, 26792, 28076, 33490, 35095, 40188, 42114, 50235, 56152, 66980, 70190, 80376, 84228, 100470, 105285, 119323, 133960, 140380, 168456, 200940, 210570, 238646, 280760, 357969, 401880, 421140, 477292, 596615, 715938, 842280, 954584, 1193230, 1382743, 1431876, 1789845, 2386460, 2765486, 2863752, 3579690, 4148229, 4772920, 5530972, 6913715, 7159380, 8296458, 11061944, 13827430, 14318760, 16592916, 20741145, 23506631, 27654860, 33185832, 41482290, 47013262, 55309720, 70519893, 82964580, 94026524, 117533155, 141039786, 165929160, 188053048, 235066310, 282079572, 352599465, 470132620, 564159144, 705198930, 940265240, 1410397860, 2820795720]

約数ペア:

[(1, 2820795720), (2, 1410397860), (3, 940265240), (4, 705198930), (5, 564159144), (6, 470132620), (8, 352599465), (10, 282079572), (12, 235066310), (15, 188053048), (17, 165929160), (20, 141039786), (24, 117533155), (30, 94026524), (34, 82964580), (40, 70519893), (51, 55309720), (60, 47013262), (68, 41482290), (85, 33185832), (102, 27654860), (120, 23506631), (136, 20741145), (170, 16592916), (197, 14318760), (204, 13827430), (255, 11061944), (340, 8296458), (394, 7159380), (408, 6913715), (510, 5530972), (591, 4772920), (680, 4148229), (788, 3579690), (985, 2863752), (1020, 2765486), (1182, 2386460), (1576, 1789845), (1970, 1431876), (2040, 1382743), (2364, 1193230), (2955, 954584), (3349, 842280), (3940, 715938), (4728, 596615), (5910, 477292), (6698, 421140), (7019, 401880), (7880, 357969), (10047, 280760), (11820, 238646), (13396, 210570), (14038, 200940), (16745, 168456), (20094, 140380), (21057, 133960), (23640, 119323), (26792, 105285), (28076, 100470), (33490, 84228), (35095, 80376), (40188, 70190), (42114, 66980), (50235, 56152)]