31377360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1025

約数の個数: 160

約数和(自身を含む): 117135360

約数和(自身を除く): 85758000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 983, 1064, 1140, 1330, 1520, 1596, 1680, 1966, 1995, 2128, 2280, 2660, 2949, 3192, 3932, 3990, 4560, 4915, 5320, 5898, 6384, 6881, 7864, 7980, 9830, 10640, 11796, 13762, 14745, 15728, 15960, 18677, 19660, 20643, 23592, 27524, 29490, 31920, 34405, 37354, 39320, 41286, 47184, 55048, 56031, 58980, 68810, 74708, 78640, 82572, 93385, 103215, 110096, 112062, 117960, 130739, 137620, 149416, 165144, 186770, 206430, 224124, 235920, 261478, 275240, 280155, 298832, 330288, 373540, 392217, 412860, 448248, 522956, 550480, 560310, 653695, 747080, 784434, 825720, 896496, 1045912, 1120620, 1307390, 1494160, 1568868, 1651440, 1961085, 2091824, 2241240, 2614780, 3137736, 3922170, 4482480, 5229560, 6275472, 7844340, 10459120, 15688680, 31377360]

約数ペア:

[(1, 31377360), (2, 15688680), (3, 10459120), (4, 7844340), (5, 6275472), (6, 5229560), (7, 4482480), (8, 3922170), (10, 3137736), (12, 2614780), (14, 2241240), (15, 2091824), (16, 1961085), (19, 1651440), (20, 1568868), (21, 1494160), (24, 1307390), (28, 1120620), (30, 1045912), (35, 896496), (38, 825720), (40, 784434), (42, 747080), (48, 653695), (56, 560310), (57, 550480), (60, 522956), (70, 448248), (76, 412860), (80, 392217), (84, 373540), (95, 330288), (105, 298832), (112, 280155), (114, 275240), (120, 261478), (133, 235920), (140, 224124), (152, 206430), (168, 186770), (190, 165144), (210, 149416), (228, 137620), (240, 130739), (266, 117960), (280, 112062), (285, 110096), (304, 103215), (336, 93385), (380, 82572), (399, 78640), (420, 74708), (456, 68810), (532, 58980), (560, 56031), (570, 55048), (665, 47184), (760, 41286), (798, 39320), (840, 37354), (912, 34405), (983, 31920), (1064, 29490), (1140, 27524), (1330, 23592), (1520, 20643), (1596, 19660), (1680, 18677), (1966, 15960), (1995, 15728), (2128, 14745), (2280, 13762), (2660, 11796), (2949, 10640), (3192, 9830), (3932, 7980), (3990, 7864), (4560, 6881), (4915, 6384), (5320, 5898)]