1820567280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{26431}}^1$

素因数の和:26495

約数の個数: 160

約数和(自身を含む): 6607577088

約数和(自身を除く): 4787009808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 287, 328, 336, 410, 420, 492, 560, 574, 615, 656, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 3280, 3444, 4305, 4592, 4920, 5740, 6888, 8610, 9840, 11480, 13776, 17220, 22960, 26431, 34440, 52862, 68880, 79293, 105724, 132155, 158586, 185017, 211448, 264310, 317172, 370034, 396465, 422896, 528620, 555051, 634344, 740068, 792930, 925085, 1057240, 1083671, 1110102, 1268688, 1480136, 1585860, 1850170, 2114480, 2167342, 2220204, 2775255, 2960272, 3171720, 3251013, 3700340, 4334684, 4440408, 5418355, 5550510, 6343440, 6502026, 7400680, 7585697, 8669368, 8880816, 10836710, 11101020, 13004052, 14801360, 15171394, 16255065, 17338736, 21673420, 22202040, 22757091, 26008104, 30342788, 32510130, 37928485, 43346840, 44404080, 45514182, 52016208, 60685576, 65020260, 75856970, 86693680, 91028364, 113785455, 121371152, 130040520, 151713940, 182056728, 227570910, 260081040, 303427880, 364113456, 455141820, 606855760, 910283640, 1820567280]

約数ペア:

[(1, 1820567280), (2, 910283640), (3, 606855760), (4, 455141820), (5, 364113456), (6, 303427880), (7, 260081040), (8, 227570910), (10, 182056728), (12, 151713940), (14, 130040520), (15, 121371152), (16, 113785455), (20, 91028364), (21, 86693680), (24, 75856970), (28, 65020260), (30, 60685576), (35, 52016208), (40, 45514182), (41, 44404080), (42, 43346840), (48, 37928485), (56, 32510130), (60, 30342788), (70, 26008104), (80, 22757091), (82, 22202040), (84, 21673420), (105, 17338736), (112, 16255065), (120, 15171394), (123, 14801360), (140, 13004052), (164, 11101020), (168, 10836710), (205, 8880816), (210, 8669368), (240, 7585697), (246, 7400680), (280, 6502026), (287, 6343440), (328, 5550510), (336, 5418355), (410, 4440408), (420, 4334684), (492, 3700340), (560, 3251013), (574, 3171720), (615, 2960272), (656, 2775255), (820, 2220204), (840, 2167342), (861, 2114480), (984, 1850170), (1148, 1585860), (1230, 1480136), (1435, 1268688), (1640, 1110102), (1680, 1083671), (1722, 1057240), (1968, 925085), (2296, 792930), (2460, 740068), (2870, 634344), (3280, 555051), (3444, 528620), (4305, 422896), (4592, 396465), (4920, 370034), (5740, 317172), (6888, 264310), (8610, 211448), (9840, 185017), (11480, 158586), (13776, 132155), (17220, 105724), (22960, 79293), (26431, 68880), (34440, 52862)]