1980710400

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{51581}}^1$

素因数の和:51612

約数の個数: 120

約数和(自身を含む): 6543279864

約数和(自身を除く): 4562569464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 512, 600, 640, 768, 800, 960, 1200, 1280, 1536, 1600, 1920, 2400, 2560, 3200, 3840, 4800, 6400, 7680, 9600, 12800, 19200, 38400, 51581, 103162, 154743, 206324, 257905, 309486, 412648, 515810, 618972, 773715, 825296, 1031620, 1237944, 1289525, 1547430, 1650592, 2063240, 2475888, 2579050, 3094860, 3301184, 3868575, 4126480, 4951776, 5158100, 6189720, 6602368, 7737150, 8252960, 9903552, 10316200, 12379440, 13204736, 15474300, 16505920, 19807104, 20632400, 24758880, 26409472, 30948600, 33011840, 39614208, 41264800, 49517760, 61897200, 66023680, 79228416, 82529600, 99035520, 123794400, 132047360, 165059200, 198071040, 247588800, 330118400, 396142080, 495177600, 660236800, 990355200, 1980710400]

約数ペア:

[(1, 1980710400), (2, 990355200), (3, 660236800), (4, 495177600), (5, 396142080), (6, 330118400), (8, 247588800), (10, 198071040), (12, 165059200), (15, 132047360), (16, 123794400), (20, 99035520), (24, 82529600), (25, 79228416), (30, 66023680), (32, 61897200), (40, 49517760), (48, 41264800), (50, 39614208), (60, 33011840), (64, 30948600), (75, 26409472), (80, 24758880), (96, 20632400), (100, 19807104), (120, 16505920), (128, 15474300), (150, 13204736), (160, 12379440), (192, 10316200), (200, 9903552), (240, 8252960), (256, 7737150), (300, 6602368), (320, 6189720), (384, 5158100), (400, 4951776), (480, 4126480), (512, 3868575), (600, 3301184), (640, 3094860), (768, 2579050), (800, 2475888), (960, 2063240), (1200, 1650592), (1280, 1547430), (1536, 1289525), (1600, 1237944), (1920, 1031620), (2400, 825296), (2560, 773715), (3200, 618972), (3840, 515810), (4800, 412648), (6400, 309486), (7680, 257905), (9600, 206324), (12800, 154743), (19200, 103162), (38400, 51581)]