64743840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{2141}}^1$

素因数の和:2172

約数の個数: 192

約数和(自身を含む): 259096320

約数和(自身を除く): 194352480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2141, 2160, 2520, 3024, 3360, 3780, 4282, 4320, 5040, 6048, 6423, 7560, 8564, 10080, 10705, 12846, 14987, 15120, 17128, 19269, 21410, 25692, 29974, 30240, 32115, 34256, 38538, 42820, 44961, 51384, 57807, 59948, 64230, 68512, 74935, 77076, 85640, 89922, 96345, 102768, 115614, 119896, 128460, 134883, 149870, 154152, 171280, 179844, 192690, 205536, 224805, 231228, 239792, 256920, 269766, 289035, 299740, 308304, 342560, 359688, 385380, 404649, 449610, 462456, 479584, 513840, 539532, 578070, 599480, 616608, 674415, 719376, 770760, 809298, 899220, 924912, 1027680, 1079064, 1156140, 1198960, 1348830, 1438752, 1541520, 1618596, 1798440, 1849824, 2023245, 2158128, 2312280, 2397920, 2697660, 3083040, 3237192, 3596880, 4046490, 4316256, 4624560, 5395320, 6474384, 7193760, 8092980, 9249120, 10790640, 12948768, 16185960, 21581280, 32371920, 64743840]

約数ペア:

[(1, 64743840), (2, 32371920), (3, 21581280), (4, 16185960), (5, 12948768), (6, 10790640), (7, 9249120), (8, 8092980), (9, 7193760), (10, 6474384), (12, 5395320), (14, 4624560), (15, 4316256), (16, 4046490), (18, 3596880), (20, 3237192), (21, 3083040), (24, 2697660), (27, 2397920), (28, 2312280), (30, 2158128), (32, 2023245), (35, 1849824), (36, 1798440), (40, 1618596), (42, 1541520), (45, 1438752), (48, 1348830), (54, 1198960), (56, 1156140), (60, 1079064), (63, 1027680), (70, 924912), (72, 899220), (80, 809298), (84, 770760), (90, 719376), (96, 674415), (105, 616608), (108, 599480), (112, 578070), (120, 539532), (126, 513840), (135, 479584), (140, 462456), (144, 449610), (160, 404649), (168, 385380), (180, 359688), (189, 342560), (210, 308304), (216, 299740), (224, 289035), (240, 269766), (252, 256920), (270, 239792), (280, 231228), (288, 224805), (315, 205536), (336, 192690), (360, 179844), (378, 171280), (420, 154152), (432, 149870), (480, 134883), (504, 128460), (540, 119896), (560, 115614), (630, 102768), (672, 96345), (720, 89922), (756, 85640), (840, 77076), (864, 74935), (945, 68512), (1008, 64230), (1080, 59948), (1120, 57807), (1260, 51384), (1440, 44961), (1512, 42820), (1680, 38538), (1890, 34256), (2016, 32115), (2141, 30240), (2160, 29974), (2520, 25692), (3024, 21410), (3360, 19269), (3780, 17128), (4282, 15120), (4320, 14987), (5040, 12846), (6048, 10705), (6423, 10080), (7560, 8564)]