164797240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 384860160

約数和(自身を除く): 220062920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 347, 383, 620, 694, 766, 1240, 1388, 1532, 1735, 1915, 2776, 3064, 3470, 3830, 6940, 7660, 10757, 11873, 13880, 15320, 21514, 23746, 43028, 47492, 53785, 59365, 86056, 94984, 107570, 118730, 132901, 215140, 237460, 265802, 430280, 474920, 531604, 664505, 1063208, 1329010, 2658020, 4119931, 5316040, 8239862, 16479724, 20599655, 32959448, 41199310, 82398620, 164797240]

約数ペア:

[(1, 164797240), (2, 82398620), (4, 41199310), (5, 32959448), (8, 20599655), (10, 16479724), (20, 8239862), (31, 5316040), (40, 4119931), (62, 2658020), (124, 1329010), (155, 1063208), (248, 664505), (310, 531604), (347, 474920), (383, 430280), (620, 265802), (694, 237460), (766, 215140), (1240, 132901), (1388, 118730), (1532, 107570), (1735, 94984), (1915, 86056), (2776, 59365), (3064, 53785), (3470, 47492), (3830, 43028), (6940, 23746), (7660, 21514), (10757, 15320), (11873, 13880)]