1255948740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1993}}^1$

素因数の和:2403

約数の個数: 120

約数和(自身を含む): 3952068120

約数和(自身を除く): 2696119380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 389, 405, 540, 778, 810, 1167, 1556, 1620, 1945, 1993, 2334, 3501, 3890, 3986, 4668, 5835, 5979, 7002, 7780, 7972, 9965, 10503, 11670, 11958, 14004, 17505, 17937, 19930, 21006, 23340, 23916, 29895, 31509, 35010, 35874, 39860, 42012, 52515, 53811, 59790, 63018, 70020, 71748, 89685, 105030, 107622, 119580, 126036, 157545, 161433, 179370, 210060, 215244, 269055, 315090, 322866, 358740, 538110, 630180, 645732, 775277, 807165, 1076220, 1550554, 1614330, 2325831, 3101108, 3228660, 3876385, 4651662, 6977493, 7752770, 9303324, 11629155, 13954986, 15505540, 20932479, 23258310, 27909972, 34887465, 41864958, 46516620, 62797437, 69774930, 83729916, 104662395, 125594874, 139549860, 209324790, 251189748, 313987185, 418649580, 627974370, 1255948740]

約数ペア:

[(1, 1255948740), (2, 627974370), (3, 418649580), (4, 313987185), (5, 251189748), (6, 209324790), (9, 139549860), (10, 125594874), (12, 104662395), (15, 83729916), (18, 69774930), (20, 62797437), (27, 46516620), (30, 41864958), (36, 34887465), (45, 27909972), (54, 23258310), (60, 20932479), (81, 15505540), (90, 13954986), (108, 11629155), (135, 9303324), (162, 7752770), (180, 6977493), (270, 4651662), (324, 3876385), (389, 3228660), (405, 3101108), (540, 2325831), (778, 1614330), (810, 1550554), (1167, 1076220), (1556, 807165), (1620, 775277), (1945, 645732), (1993, 630180), (2334, 538110), (3501, 358740), (3890, 322866), (3986, 315090), (4668, 269055), (5835, 215244), (5979, 210060), (7002, 179370), (7780, 161433), (7972, 157545), (9965, 126036), (10503, 119580), (11670, 107622), (11958, 105030), (14004, 89685), (17505, 71748), (17937, 70020), (19930, 63018), (21006, 59790), (23340, 53811), (23916, 52515), (29895, 42012), (31509, 39860), (35010, 35874)]