921817440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{640151}}^1$

素因数の和:640172

約数の個数: 72

約数和(自身を含む): 3145706928

約数和(自身を除く): 2223889488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 640151, 1280302, 1920453, 2560604, 3200755, 3840906, 5121208, 5761359, 6401510, 7681812, 9602265, 10242416, 11522718, 12803020, 15363624, 19204530, 20484832, 23045436, 25606040, 28806795, 30727248, 38409060, 46090872, 51212080, 57613590, 61454496, 76818120, 92181744, 102424160, 115227180, 153636240, 184363488, 230454360, 307272480, 460908720, 921817440]

約数ペア:

[(1, 921817440), (2, 460908720), (3, 307272480), (4, 230454360), (5, 184363488), (6, 153636240), (8, 115227180), (9, 102424160), (10, 92181744), (12, 76818120), (15, 61454496), (16, 57613590), (18, 51212080), (20, 46090872), (24, 38409060), (30, 30727248), (32, 28806795), (36, 25606040), (40, 23045436), (45, 20484832), (48, 19204530), (60, 15363624), (72, 12803020), (80, 11522718), (90, 10242416), (96, 9602265), (120, 7681812), (144, 6401510), (160, 5761359), (180, 5121208), (240, 3840906), (288, 3200755), (360, 2560604), (480, 1920453), (720, 1280302), (1440, 640151)]