68250420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54167}}^1$

素因数の和:54189

約数の個数: 72

約数和(自身を含む): 236605824

約数和(自身を除く): 168355404

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, 54167, 108334, 162501, 216668, 270835, 325002, 379169, 487503, 541670, 650004, 758338, 812505, 975006, 1083340, 1137507, 1516676, 1625010, 1895845, 1950012, 2275014, 2437515, 3250020, 3412521, 3791690, 4550028, 4875030, 5687535, 6825042, 7583380, 9750060, 11375070, 13650084, 17062605, 22750140, 34125210, 68250420]

約数ペア:

[(1, 68250420), (2, 34125210), (3, 22750140), (4, 17062605), (5, 13650084), (6, 11375070), (7, 9750060), (9, 7583380), (10, 6825042), (12, 5687535), (14, 4875030), (15, 4550028), (18, 3791690), (20, 3412521), (21, 3250020), (28, 2437515), (30, 2275014), (35, 1950012), (36, 1895845), (42, 1625010), (45, 1516676), (60, 1137507), (63, 1083340), (70, 975006), (84, 812505), (90, 758338), (105, 650004), (126, 541670), (140, 487503), (180, 379169), (210, 325002), (252, 270835), (315, 216668), (420, 162501), (630, 108334), (1260, 54167)]