820353960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5981}}^1$

素因数の和:6128

約数の個数: 128

約数和(自身を含む): 2756505600

約数和(自身を除く): 1936151640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 254, 270, 360, 381, 508, 540, 635, 762, 1016, 1080, 1143, 1270, 1524, 1905, 2286, 2540, 3048, 3429, 3810, 4572, 5080, 5715, 5981, 6858, 7620, 9144, 11430, 11962, 13716, 15240, 17145, 17943, 22860, 23924, 27432, 29905, 34290, 35886, 45720, 47848, 53829, 59810, 68580, 71772, 89715, 107658, 119620, 137160, 143544, 161487, 179430, 215316, 239240, 269145, 322974, 358860, 430632, 538290, 645948, 717720, 759587, 807435, 1076580, 1291896, 1519174, 1614870, 2153160, 2278761, 3038348, 3229740, 3797935, 4557522, 6076696, 6459480, 6836283, 7595870, 9115044, 11393805, 13672566, 15191740, 18230088, 20508849, 22787610, 27345132, 30383480, 34181415, 41017698, 45575220, 54690264, 68362830, 82035396, 91150440, 102544245, 136725660, 164070792, 205088490, 273451320, 410176980, 820353960]

約数ペア:

[(1, 820353960), (2, 410176980), (3, 273451320), (4, 205088490), (5, 164070792), (6, 136725660), (8, 102544245), (9, 91150440), (10, 82035396), (12, 68362830), (15, 54690264), (18, 45575220), (20, 41017698), (24, 34181415), (27, 30383480), (30, 27345132), (36, 22787610), (40, 20508849), (45, 18230088), (54, 15191740), (60, 13672566), (72, 11393805), (90, 9115044), (108, 7595870), (120, 6836283), (127, 6459480), (135, 6076696), (180, 4557522), (216, 3797935), (254, 3229740), (270, 3038348), (360, 2278761), (381, 2153160), (508, 1614870), (540, 1519174), (635, 1291896), (762, 1076580), (1016, 807435), (1080, 759587), (1143, 717720), (1270, 645948), (1524, 538290), (1905, 430632), (2286, 358860), (2540, 322974), (3048, 269145), (3429, 239240), (3810, 215316), (4572, 179430), (5080, 161487), (5715, 143544), (5981, 137160), (6858, 119620), (7620, 107658), (9144, 89715), (11430, 71772), (11962, 68580), (13716, 59810), (15240, 53829), (17145, 47848), (17943, 45720), (22860, 35886), (23924, 34290), (27432, 29905)]