84218820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1097

約数の個数: 96

約数和(自身を含む): 270950400

約数和(自身を除く): 186731580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 839, 956, 1195, 1434, 1673, 1678, 2390, 2517, 2868, 3346, 3356, 3585, 4195, 4780, 5019, 5034, 5873, 6692, 7170, 8365, 8390, 10038, 10068, 11746, 12585, 14340, 16730, 16780, 17619, 20076, 23492, 25095, 25170, 29365, 33460, 35238, 50190, 50340, 58730, 70476, 88095, 100380, 117460, 176190, 200521, 352380, 401042, 601563, 802084, 1002605, 1203126, 1403647, 2005210, 2406252, 2807294, 3007815, 4010420, 4210941, 5614588, 6015630, 7018235, 8421882, 12031260, 14036470, 16843764, 21054705, 28072940, 42109410, 84218820]

約数ペア:

[(1, 84218820), (2, 42109410), (3, 28072940), (4, 21054705), (5, 16843764), (6, 14036470), (7, 12031260), (10, 8421882), (12, 7018235), (14, 6015630), (15, 5614588), (20, 4210941), (21, 4010420), (28, 3007815), (30, 2807294), (35, 2406252), (42, 2005210), (60, 1403647), (70, 1203126), (84, 1002605), (105, 802084), (140, 601563), (210, 401042), (239, 352380), (420, 200521), (478, 176190), (717, 117460), (839, 100380), (956, 88095), (1195, 70476), (1434, 58730), (1673, 50340), (1678, 50190), (2390, 35238), (2517, 33460), (2868, 29365), (3346, 25170), (3356, 25095), (3585, 23492), (4195, 20076), (4780, 17619), (5019, 16780), (5034, 16730), (5873, 14340), (6692, 12585), (7170, 11746), (8365, 10068), (8390, 10038)]