271428570

素因数分解:

$2^1\times 3^9\times 5^1\times 7^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 160

約数和(自身を含む): 841788288

約数和(自身を除く): 570359718

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 197, 210, 243, 270, 315, 378, 394, 405, 486, 567, 591, 630, 729, 810, 945, 985, 1134, 1182, 1215, 1379, 1458, 1701, 1773, 1890, 1970, 2187, 2430, 2758, 2835, 2955, 3402, 3546, 3645, 4137, 4374, 5103, 5319, 5670, 5910, 6561, 6895, 7290, 8274, 8505, 8865, 10206, 10638, 10935, 12411, 13122, 13790, 15309, 15957, 17010, 17730, 19683, 20685, 21870, 24822, 25515, 26595, 30618, 31914, 32805, 37233, 39366, 41370, 45927, 47871, 51030, 53190, 62055, 65610, 74466, 76545, 79785, 91854, 95742, 98415, 111699, 124110, 137781, 143613, 153090, 159570, 186165, 196830, 223398, 229635, 239355, 275562, 287226, 335097, 372330, 430839, 459270, 478710, 558495, 670194, 688905, 718065, 861678, 1005291, 1116990, 1292517, 1377810, 1436130, 1675485, 2010582, 2154195, 2585034, 3015873, 3350970, 3877551, 4308390, 5026455, 6031746, 6462585, 7755102, 9047619, 10052910, 12925170, 15079365, 18095238, 19387755, 27142857, 30158730, 38775510, 45238095, 54285714, 90476190, 135714285, 271428570]

約数ペア:

[(1, 271428570), (2, 135714285), (3, 90476190), (5, 54285714), (6, 45238095), (7, 38775510), (9, 30158730), (10, 27142857), (14, 19387755), (15, 18095238), (18, 15079365), (21, 12925170), (27, 10052910), (30, 9047619), (35, 7755102), (42, 6462585), (45, 6031746), (54, 5026455), (63, 4308390), (70, 3877551), (81, 3350970), (90, 3015873), (105, 2585034), (126, 2154195), (135, 2010582), (162, 1675485), (189, 1436130), (197, 1377810), (210, 1292517), (243, 1116990), (270, 1005291), (315, 861678), (378, 718065), (394, 688905), (405, 670194), (486, 558495), (567, 478710), (591, 459270), (630, 430839), (729, 372330), (810, 335097), (945, 287226), (985, 275562), (1134, 239355), (1182, 229635), (1215, 223398), (1379, 196830), (1458, 186165), (1701, 159570), (1773, 153090), (1890, 143613), (1970, 137781), (2187, 124110), (2430, 111699), (2758, 98415), (2835, 95742), (2955, 91854), (3402, 79785), (3546, 76545), (3645, 74466), (4137, 65610), (4374, 62055), (5103, 53190), (5319, 51030), (5670, 47871), (5910, 45927), (6561, 41370), (6895, 39366), (7290, 37233), (8274, 32805), (8505, 31914), (8865, 30618), (10206, 26595), (10638, 25515), (10935, 24822), (12411, 21870), (13122, 20685), (13790, 19683), (15309, 17730), (15957, 17010)]