164972220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{56113}}^1$

素因数の和:56139

約数の個数: 72

約数和(自身を含む): 537347664

約数和(自身を除く): 372375444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 56113, 112226, 168339, 224452, 280565, 336678, 392791, 561130, 673356, 785582, 841695, 1122260, 1178373, 1571164, 1683390, 1963955, 2356746, 2749537, 3366780, 3927910, 4713492, 5499074, 5891865, 7855820, 8248611, 10998148, 11783730, 13747685, 16497222, 23567460, 27495370, 32994444, 41243055, 54990740, 82486110, 164972220]

約数ペア:

[(1, 164972220), (2, 82486110), (3, 54990740), (4, 41243055), (5, 32994444), (6, 27495370), (7, 23567460), (10, 16497222), (12, 13747685), (14, 11783730), (15, 10998148), (20, 8248611), (21, 7855820), (28, 5891865), (30, 5499074), (35, 4713492), (42, 3927910), (49, 3366780), (60, 2749537), (70, 2356746), (84, 1963955), (98, 1683390), (105, 1571164), (140, 1178373), (147, 1122260), (196, 841695), (210, 785582), (245, 673356), (294, 561130), (420, 392791), (490, 336678), (588, 280565), (735, 224452), (980, 168339), (1470, 112226), (2940, 56113)]