123208540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 341863200

約数和(自身を除く): 218654660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 266, 364, 380, 455, 490, 494, 509, 532, 637, 665, 910, 931, 980, 988, 1018, 1235, 1274, 1330, 1729, 1820, 1862, 2036, 2470, 2545, 2548, 2660, 3185, 3458, 3563, 3724, 4655, 4940, 5090, 6370, 6617, 6916, 7126, 8645, 9310, 9671, 10180, 12103, 12740, 13234, 14252, 17290, 17815, 18620, 19342, 24206, 24941, 26468, 33085, 34580, 35630, 38684, 46319, 48355, 48412, 49882, 60515, 66170, 67697, 71260, 92638, 96710, 99764, 121030, 124705, 125723, 132340, 135394, 185276, 193420, 231595, 242060, 249410, 251446, 270788, 324233, 338485, 463190, 473879, 498820, 502892, 628615, 648466, 676970, 880061, 926380, 947758, 1257230, 1296932, 1353940, 1621165, 1760122, 1895516, 2369395, 2514460, 3242330, 3520244, 4400305, 4738790, 6160427, 6484660, 8800610, 9477580, 12320854, 17601220, 24641708, 30802135, 61604270, 123208540]

約数ペア:

[(1, 123208540), (2, 61604270), (4, 30802135), (5, 24641708), (7, 17601220), (10, 12320854), (13, 9477580), (14, 8800610), (19, 6484660), (20, 6160427), (26, 4738790), (28, 4400305), (35, 3520244), (38, 3242330), (49, 2514460), (52, 2369395), (65, 1895516), (70, 1760122), (76, 1621165), (91, 1353940), (95, 1296932), (98, 1257230), (130, 947758), (133, 926380), (140, 880061), (182, 676970), (190, 648466), (196, 628615), (245, 502892), (247, 498820), (260, 473879), (266, 463190), (364, 338485), (380, 324233), (455, 270788), (490, 251446), (494, 249410), (509, 242060), (532, 231595), (637, 193420), (665, 185276), (910, 135394), (931, 132340), (980, 125723), (988, 124705), (1018, 121030), (1235, 99764), (1274, 96710), (1330, 92638), (1729, 71260), (1820, 67697), (1862, 66170), (2036, 60515), (2470, 49882), (2545, 48412), (2548, 48355), (2660, 46319), (3185, 38684), (3458, 35630), (3563, 34580), (3724, 33085), (4655, 26468), (4940, 24941), (5090, 24206), (6370, 19342), (6617, 18620), (6916, 17815), (7126, 17290), (8645, 14252), (9310, 13234), (9671, 12740), (10180, 12103)]