165757520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 408723840

約数和(自身を除く): 242966320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 167, 190, 304, 334, 380, 653, 668, 760, 835, 1306, 1336, 1520, 1670, 2612, 2672, 3173, 3265, 3340, 5224, 6346, 6530, 6680, 10448, 12407, 12692, 13060, 13360, 15865, 24814, 25384, 26120, 31730, 49628, 50768, 52240, 62035, 63460, 99256, 109051, 124070, 126920, 198512, 218102, 248140, 253840, 436204, 496280, 545255, 872408, 992560, 1090510, 1744816, 2071969, 2181020, 4143938, 4362040, 8287876, 8724080, 10359845, 16575752, 20719690, 33151504, 41439380, 82878760, 165757520]

約数ペア:

[(1, 165757520), (2, 82878760), (4, 41439380), (5, 33151504), (8, 20719690), (10, 16575752), (16, 10359845), (19, 8724080), (20, 8287876), (38, 4362040), (40, 4143938), (76, 2181020), (80, 2071969), (95, 1744816), (152, 1090510), (167, 992560), (190, 872408), (304, 545255), (334, 496280), (380, 436204), (653, 253840), (668, 248140), (760, 218102), (835, 198512), (1306, 126920), (1336, 124070), (1520, 109051), (1670, 99256), (2612, 63460), (2672, 62035), (3173, 52240), (3265, 50768), (3340, 49628), (5224, 31730), (6346, 26120), (6530, 25384), (6680, 24814), (10448, 15865), (12407, 13360), (12692, 13060)]