491173020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2657}}^1$

素因数の和:2764

約数の個数: 144

約数和(自身を含む): 1625420160

約数和(自身を除く): 1134247140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 117, 130, 156, 158, 180, 195, 234, 237, 260, 316, 390, 395, 468, 474, 585, 711, 780, 790, 948, 1027, 1170, 1185, 1422, 1580, 2054, 2340, 2370, 2657, 2844, 3081, 3555, 4108, 4740, 5135, 5314, 6162, 7110, 7971, 9243, 10270, 10628, 12324, 13285, 14220, 15405, 15942, 18486, 20540, 23913, 26570, 30810, 31884, 34541, 36972, 39855, 46215, 47826, 53140, 61620, 69082, 79710, 92430, 95652, 103623, 119565, 138164, 159420, 172705, 184860, 207246, 209903, 239130, 310869, 345410, 414492, 419806, 478260, 518115, 621738, 629709, 690820, 839612, 1036230, 1049515, 1243476, 1259418, 1554345, 1889127, 2072460, 2099030, 2518836, 2728739, 3108690, 3148545, 3778254, 4198060, 5457478, 6217380, 6297090, 7556508, 8186217, 9445635, 10914956, 12594180, 13643695, 16372434, 18891270, 24558651, 27287390, 32744868, 37782540, 40931085, 49117302, 54574780, 81862170, 98234604, 122793255, 163724340, 245586510, 491173020]

約数ペア:

[(1, 491173020), (2, 245586510), (3, 163724340), (4, 122793255), (5, 98234604), (6, 81862170), (9, 54574780), (10, 49117302), (12, 40931085), (13, 37782540), (15, 32744868), (18, 27287390), (20, 24558651), (26, 18891270), (30, 16372434), (36, 13643695), (39, 12594180), (45, 10914956), (52, 9445635), (60, 8186217), (65, 7556508), (78, 6297090), (79, 6217380), (90, 5457478), (117, 4198060), (130, 3778254), (156, 3148545), (158, 3108690), (180, 2728739), (195, 2518836), (234, 2099030), (237, 2072460), (260, 1889127), (316, 1554345), (390, 1259418), (395, 1243476), (468, 1049515), (474, 1036230), (585, 839612), (711, 690820), (780, 629709), (790, 621738), (948, 518115), (1027, 478260), (1170, 419806), (1185, 414492), (1422, 345410), (1580, 310869), (2054, 239130), (2340, 209903), (2370, 207246), (2657, 184860), (2844, 172705), (3081, 159420), (3555, 138164), (4108, 119565), (4740, 103623), (5135, 95652), (5314, 92430), (6162, 79710), (7110, 69082), (7971, 61620), (9243, 53140), (10270, 47826), (10628, 46215), (12324, 39855), (13285, 36972), (14220, 34541), (15405, 31884), (15942, 30810), (18486, 26570), (20540, 23913)]