320444880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10039}}^1$

素因数の和:10081

約数の個数: 160

約数和(自身を含む): 1195161600

約数和(自身を除く): 874716720

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, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10039, 10640, 15960, 20078, 30117, 31920, 40156, 50195, 60234, 70273, 80312, 100390, 120468, 140546, 150585, 160624, 190741, 200780, 210819, 240936, 281092, 301170, 351365, 381482, 401560, 421638, 481872, 562184, 572223, 602340, 702730, 762964, 803120, 843276, 953705, 1054095, 1124368, 1144446, 1204680, 1335187, 1405460, 1525928, 1686552, 1907410, 2108190, 2288892, 2409360, 2670374, 2810920, 2861115, 3051856, 3373104, 3814820, 4005561, 4216380, 4577784, 5340748, 5621840, 5722230, 6675935, 7629640, 8011122, 8432760, 9155568, 10681496, 11444460, 13351870, 15259280, 16022244, 16865520, 20027805, 21362992, 22888920, 26703740, 32044488, 40055610, 45777840, 53407480, 64088976, 80111220, 106814960, 160222440, 320444880]

約数ペア:

[(1, 320444880), (2, 160222440), (3, 106814960), (4, 80111220), (5, 64088976), (6, 53407480), (7, 45777840), (8, 40055610), (10, 32044488), (12, 26703740), (14, 22888920), (15, 21362992), (16, 20027805), (19, 16865520), (20, 16022244), (21, 15259280), (24, 13351870), (28, 11444460), (30, 10681496), (35, 9155568), (38, 8432760), (40, 8011122), (42, 7629640), (48, 6675935), (56, 5722230), (57, 5621840), (60, 5340748), (70, 4577784), (76, 4216380), (80, 4005561), (84, 3814820), (95, 3373104), (105, 3051856), (112, 2861115), (114, 2810920), (120, 2670374), (133, 2409360), (140, 2288892), (152, 2108190), (168, 1907410), (190, 1686552), (210, 1525928), (228, 1405460), (240, 1335187), (266, 1204680), (280, 1144446), (285, 1124368), (304, 1054095), (336, 953705), (380, 843276), (399, 803120), (420, 762964), (456, 702730), (532, 602340), (560, 572223), (570, 562184), (665, 481872), (760, 421638), (798, 401560), (840, 381482), (912, 351365), (1064, 301170), (1140, 281092), (1330, 240936), (1520, 210819), (1596, 200780), (1680, 190741), (1995, 160624), (2128, 150585), (2280, 140546), (2660, 120468), (3192, 100390), (3990, 80312), (4560, 70273), (5320, 60234), (6384, 50195), (7980, 40156), (10039, 31920), (10640, 30117), (15960, 20078)]