271390140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{215389}}^1$

素因数の和:215411

約数の個数: 72

約数和(自身を含む): 940823520

約数和(自身を除く): 669433380

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, 215389, 430778, 646167, 861556, 1076945, 1292334, 1507723, 1938501, 2153890, 2584668, 3015446, 3230835, 3877002, 4307780, 4523169, 6030892, 6461670, 7538615, 7754004, 9046338, 9692505, 12923340, 13569507, 15077230, 18092676, 19385010, 22615845, 27139014, 30154460, 38770020, 45231690, 54278028, 67847535, 90463380, 135695070, 271390140]

約数ペア:

[(1, 271390140), (2, 135695070), (3, 90463380), (4, 67847535), (5, 54278028), (6, 45231690), (7, 38770020), (9, 30154460), (10, 27139014), (12, 22615845), (14, 19385010), (15, 18092676), (18, 15077230), (20, 13569507), (21, 12923340), (28, 9692505), (30, 9046338), (35, 7754004), (36, 7538615), (42, 6461670), (45, 6030892), (60, 4523169), (63, 4307780), (70, 3877002), (84, 3230835), (90, 3015446), (105, 2584668), (126, 2153890), (140, 1938501), (180, 1507723), (210, 1292334), (252, 1076945), (315, 861556), (420, 646167), (630, 430778), (1260, 215389)]