21954480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5381}}^1$

素因数の和:5414

約数の個数: 80

約数和(自身を含む): 72075744

約数和(自身を除く): 50121264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5381, 10762, 16143, 21524, 26905, 32286, 43048, 53810, 64572, 80715, 86096, 91477, 107620, 129144, 161430, 182954, 215240, 258288, 274431, 322860, 365908, 430480, 457385, 548862, 645720, 731816, 914770, 1097724, 1291440, 1372155, 1463632, 1829540, 2195448, 2744310, 3659080, 4390896, 5488620, 7318160, 10977240, 21954480]

約数ペア:

[(1, 21954480), (2, 10977240), (3, 7318160), (4, 5488620), (5, 4390896), (6, 3659080), (8, 2744310), (10, 2195448), (12, 1829540), (15, 1463632), (16, 1372155), (17, 1291440), (20, 1097724), (24, 914770), (30, 731816), (34, 645720), (40, 548862), (48, 457385), (51, 430480), (60, 365908), (68, 322860), (80, 274431), (85, 258288), (102, 215240), (120, 182954), (136, 161430), (170, 129144), (204, 107620), (240, 91477), (255, 86096), (272, 80715), (340, 64572), (408, 53810), (510, 43048), (680, 32286), (816, 26905), (1020, 21524), (1360, 16143), (2040, 10762), (4080, 5381)]