155857520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 160

約数和(自身を含む): 453304320

約数和(自身を除く): 297446800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 182, 208, 260, 271, 280, 316, 364, 395, 455, 520, 542, 553, 560, 632, 728, 790, 910, 1027, 1040, 1084, 1106, 1264, 1355, 1456, 1580, 1820, 1897, 2054, 2168, 2212, 2710, 2765, 3160, 3523, 3640, 3794, 4108, 4336, 4424, 5135, 5420, 5530, 6320, 7046, 7189, 7280, 7588, 8216, 8848, 9485, 10270, 10840, 11060, 14092, 14378, 15176, 16432, 17615, 18970, 20540, 21409, 21680, 22120, 24661, 28184, 28756, 30352, 35230, 35945, 37940, 41080, 42818, 44240, 49322, 56368, 57512, 70460, 71890, 75880, 82160, 85636, 98644, 107045, 115024, 123305, 140920, 143780, 149863, 151760, 171272, 197288, 214090, 246610, 278317, 281840, 287560, 299726, 342544, 394576, 428180, 493220, 556634, 575120, 599452, 749315, 856360, 986440, 1113268, 1198904, 1391585, 1498630, 1712720, 1948219, 1972880, 2226536, 2397808, 2783170, 2997260, 3896438, 4453072, 5566340, 5994520, 7792876, 9741095, 11132680, 11989040, 15585752, 19482190, 22265360, 31171504, 38964380, 77928760, 155857520]

約数ペア:

[(1, 155857520), (2, 77928760), (4, 38964380), (5, 31171504), (7, 22265360), (8, 19482190), (10, 15585752), (13, 11989040), (14, 11132680), (16, 9741095), (20, 7792876), (26, 5994520), (28, 5566340), (35, 4453072), (40, 3896438), (52, 2997260), (56, 2783170), (65, 2397808), (70, 2226536), (79, 1972880), (80, 1948219), (91, 1712720), (104, 1498630), (112, 1391585), (130, 1198904), (140, 1113268), (158, 986440), (182, 856360), (208, 749315), (260, 599452), (271, 575120), (280, 556634), (316, 493220), (364, 428180), (395, 394576), (455, 342544), (520, 299726), (542, 287560), (553, 281840), (560, 278317), (632, 246610), (728, 214090), (790, 197288), (910, 171272), (1027, 151760), (1040, 149863), (1084, 143780), (1106, 140920), (1264, 123305), (1355, 115024), (1456, 107045), (1580, 98644), (1820, 85636), (1897, 82160), (2054, 75880), (2168, 71890), (2212, 70460), (2710, 57512), (2765, 56368), (3160, 49322), (3523, 44240), (3640, 42818), (3794, 41080), (4108, 37940), (4336, 35945), (4424, 35230), (5135, 30352), (5420, 28756), (5530, 28184), (6320, 24661), (7046, 22120), (7189, 21680), (7280, 21409), (7588, 20540), (8216, 18970), (8848, 17615), (9485, 16432), (10270, 15176), (10840, 14378), (11060, 14092)]