80689140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3767}}^1$

素因数の和:3806

約数の個数: 144

約数和(自身を含む): 296255232

約数和(自身を除く): 215566092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 3767, 4284, 5355, 7140, 7534, 10710, 11301, 15068, 18835, 21420, 22602, 26369, 33903, 37670, 45204, 52738, 56505, 64039, 67806, 75340, 79107, 105476, 113010, 128078, 131845, 135612, 158214, 169515, 192117, 226020, 237321, 256156, 263690, 316428, 320195, 339030, 384234, 395535, 448273, 474642, 527380, 576351, 640390, 678060, 768468, 791070, 896546, 949284, 960585, 1152702, 1186605, 1280780, 1344819, 1582140, 1793092, 1921170, 2241365, 2305404, 2373210, 2689638, 2881755, 3842340, 4034457, 4482730, 4746420, 5379276, 5763510, 6724095, 8068914, 8965460, 11527020, 13448190, 16137828, 20172285, 26896380, 40344570, 80689140]

約数ペア:

[(1, 80689140), (2, 40344570), (3, 26896380), (4, 20172285), (5, 16137828), (6, 13448190), (7, 11527020), (9, 8965460), (10, 8068914), (12, 6724095), (14, 5763510), (15, 5379276), (17, 4746420), (18, 4482730), (20, 4034457), (21, 3842340), (28, 2881755), (30, 2689638), (34, 2373210), (35, 2305404), (36, 2241365), (42, 1921170), (45, 1793092), (51, 1582140), (60, 1344819), (63, 1280780), (68, 1186605), (70, 1152702), (84, 960585), (85, 949284), (90, 896546), (102, 791070), (105, 768468), (119, 678060), (126, 640390), (140, 576351), (153, 527380), (170, 474642), (180, 448273), (204, 395535), (210, 384234), (238, 339030), (252, 320195), (255, 316428), (306, 263690), (315, 256156), (340, 237321), (357, 226020), (420, 192117), (476, 169515), (510, 158214), (595, 135612), (612, 131845), (630, 128078), (714, 113010), (765, 105476), (1020, 79107), (1071, 75340), (1190, 67806), (1260, 64039), (1428, 56505), (1530, 52738), (1785, 45204), (2142, 37670), (2380, 33903), (3060, 26369), (3570, 22602), (3767, 21420), (4284, 18835), (5355, 15068), (7140, 11301), (7534, 10710)]