31375350

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 120

約数和(自身を含む): 89303808

約数和(自身を除く): 57928458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 81, 90, 122, 127, 135, 150, 162, 183, 225, 254, 270, 305, 366, 381, 405, 450, 549, 610, 635, 675, 762, 810, 915, 1098, 1143, 1270, 1350, 1525, 1647, 1830, 1905, 2025, 2286, 2745, 3050, 3175, 3294, 3429, 3810, 4050, 4575, 4941, 5490, 5715, 6350, 6858, 7747, 8235, 9150, 9525, 9882, 10287, 11430, 13725, 15494, 16470, 17145, 19050, 20574, 23241, 24705, 27450, 28575, 34290, 38735, 41175, 46482, 49410, 51435, 57150, 69723, 77470, 82350, 85725, 102870, 116205, 123525, 139446, 171450, 193675, 209169, 232410, 247050, 257175, 348615, 387350, 418338, 514350, 581025, 627507, 697230, 1045845, 1162050, 1255014, 1743075, 2091690, 3137535, 3486150, 5229225, 6275070, 10458450, 15687675, 31375350]

約数ペア:

[(1, 31375350), (2, 15687675), (3, 10458450), (5, 6275070), (6, 5229225), (9, 3486150), (10, 3137535), (15, 2091690), (18, 1743075), (25, 1255014), (27, 1162050), (30, 1045845), (45, 697230), (50, 627507), (54, 581025), (61, 514350), (75, 418338), (81, 387350), (90, 348615), (122, 257175), (127, 247050), (135, 232410), (150, 209169), (162, 193675), (183, 171450), (225, 139446), (254, 123525), (270, 116205), (305, 102870), (366, 85725), (381, 82350), (405, 77470), (450, 69723), (549, 57150), (610, 51435), (635, 49410), (675, 46482), (762, 41175), (810, 38735), (915, 34290), (1098, 28575), (1143, 27450), (1270, 24705), (1350, 23241), (1525, 20574), (1647, 19050), (1830, 17145), (1905, 16470), (2025, 15494), (2286, 13725), (2745, 11430), (3050, 10287), (3175, 9882), (3294, 9525), (3429, 9150), (3810, 8235), (4050, 7747), (4575, 6858), (4941, 6350), (5490, 5715)]