212620860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 664215552

約数和(自身を除く): 451594692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 127, 131, 142, 180, 213, 254, 262, 284, 355, 381, 393, 426, 508, 524, 635, 639, 655, 710, 762, 786, 852, 1065, 1143, 1179, 1270, 1278, 1310, 1420, 1524, 1572, 1905, 1965, 2130, 2286, 2358, 2540, 2556, 2620, 3195, 3810, 3930, 4260, 4572, 4716, 5715, 5895, 6390, 7620, 7860, 9017, 9301, 11430, 11790, 12780, 16637, 18034, 18602, 22860, 23580, 27051, 27903, 33274, 36068, 37204, 45085, 46505, 49911, 54102, 55806, 66548, 81153, 83185, 83709, 90170, 93010, 99822, 108204, 111612, 135255, 139515, 149733, 162306, 166370, 167418, 180340, 186020, 199644, 249555, 270510, 279030, 299466, 324612, 332740, 334836, 405765, 418545, 499110, 541020, 558060, 598932, 748665, 811530, 837090, 998220, 1181227, 1497330, 1623060, 1674180, 2362454, 2994660, 3543681, 4724908, 5906135, 7087362, 10631043, 11812270, 14174724, 17718405, 21262086, 23624540, 35436810, 42524172, 53155215, 70873620, 106310430, 212620860]

約数ペア:

[(1, 212620860), (2, 106310430), (3, 70873620), (4, 53155215), (5, 42524172), (6, 35436810), (9, 23624540), (10, 21262086), (12, 17718405), (15, 14174724), (18, 11812270), (20, 10631043), (30, 7087362), (36, 5906135), (45, 4724908), (60, 3543681), (71, 2994660), (90, 2362454), (127, 1674180), (131, 1623060), (142, 1497330), (180, 1181227), (213, 998220), (254, 837090), (262, 811530), (284, 748665), (355, 598932), (381, 558060), (393, 541020), (426, 499110), (508, 418545), (524, 405765), (635, 334836), (639, 332740), (655, 324612), (710, 299466), (762, 279030), (786, 270510), (852, 249555), (1065, 199644), (1143, 186020), (1179, 180340), (1270, 167418), (1278, 166370), (1310, 162306), (1420, 149733), (1524, 139515), (1572, 135255), (1905, 111612), (1965, 108204), (2130, 99822), (2286, 93010), (2358, 90170), (2540, 83709), (2556, 83185), (2620, 81153), (3195, 66548), (3810, 55806), (3930, 54102), (4260, 49911), (4572, 46505), (4716, 45085), (5715, 37204), (5895, 36068), (6390, 33274), (7620, 27903), (7860, 27051), (9017, 23580), (9301, 22860), (11430, 18602), (11790, 18034), (12780, 16637)]