16240140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12889}}^1$

素因数の和:12911

約数の個数: 72

約数和(自身を含む): 56303520

約数和(自身を除く): 40063380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12889, 25778, 38667, 51556, 64445, 77334, 90223, 116001, 128890, 154668, 180446, 193335, 232002, 257780, 270669, 360892, 386670, 451115, 464004, 541338, 580005, 773340, 812007, 902230, 1082676, 1160010, 1353345, 1624014, 1804460, 2320020, 2706690, 3248028, 4060035, 5413380, 8120070, 16240140]

約数ペア:

[(1, 16240140), (2, 8120070), (3, 5413380), (4, 4060035), (5, 3248028), (6, 2706690), (7, 2320020), (9, 1804460), (10, 1624014), (12, 1353345), (14, 1160010), (15, 1082676), (18, 902230), (20, 812007), (21, 773340), (28, 580005), (30, 541338), (35, 464004), (36, 451115), (42, 386670), (45, 360892), (60, 270669), (63, 257780), (70, 232002), (84, 193335), (90, 180446), (105, 154668), (126, 128890), (140, 116001), (180, 90223), (210, 77334), (252, 64445), (315, 51556), (420, 38667), (630, 25778), (1260, 12889)]