16878960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 68942016

約数和(自身を除く): 52063056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 197, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 394, 408, 420, 476, 504, 510, 560, 591, 595, 612, 630, 680, 714, 720, 765, 788, 816, 840, 952, 985, 1008, 1020, 1071, 1182, 1190, 1224, 1260, 1360, 1379, 1428, 1530, 1576, 1680, 1773, 1785, 1904, 1970, 2040, 2142, 2364, 2380, 2448, 2520, 2758, 2856, 2955, 3060, 3152, 3349, 3546, 3570, 3940, 4080, 4137, 4284, 4728, 4760, 5040, 5355, 5516, 5712, 5910, 6120, 6698, 6895, 7092, 7140, 7880, 8274, 8568, 8865, 9456, 9520, 10047, 10710, 11032, 11820, 12240, 12411, 13396, 13790, 14184, 14280, 15760, 16548, 16745, 17136, 17730, 20094, 20685, 21420, 22064, 23443, 23640, 24822, 26792, 27580, 28368, 28560, 30141, 33096, 33490, 35460, 40188, 41370, 42840, 46886, 47280, 49644, 50235, 53584, 55160, 60282, 62055, 66192, 66980, 70329, 70920, 80376, 82740, 85680, 93772, 99288, 100470, 110320, 117215, 120564, 124110, 133960, 140658, 141840, 150705, 160752, 165480, 187544, 198576, 200940, 210987, 234430, 241128, 248220, 267920, 281316, 301410, 330960, 351645, 375088, 401880, 421974, 468860, 482256, 496440, 562632, 602820, 703290, 803760, 843948, 937720, 992880, 1054935, 1125264, 1205640, 1406580, 1687896, 1875440, 2109870, 2411280, 2813160, 3375792, 4219740, 5626320, 8439480, 16878960]

約数ペア:

[(1, 16878960), (2, 8439480), (3, 5626320), (4, 4219740), (5, 3375792), (6, 2813160), (7, 2411280), (8, 2109870), (9, 1875440), (10, 1687896), (12, 1406580), (14, 1205640), (15, 1125264), (16, 1054935), (17, 992880), (18, 937720), (20, 843948), (21, 803760), (24, 703290), (28, 602820), (30, 562632), (34, 496440), (35, 482256), (36, 468860), (40, 421974), (42, 401880), (45, 375088), (48, 351645), (51, 330960), (56, 301410), (60, 281316), (63, 267920), (68, 248220), (70, 241128), (72, 234430), (80, 210987), (84, 200940), (85, 198576), (90, 187544), (102, 165480), (105, 160752), (112, 150705), (119, 141840), (120, 140658), (126, 133960), (136, 124110), (140, 120564), (144, 117215), (153, 110320), (168, 100470), (170, 99288), (180, 93772), (197, 85680), (204, 82740), (210, 80376), (238, 70920), (240, 70329), (252, 66980), (255, 66192), (272, 62055), (280, 60282), (306, 55160), (315, 53584), (336, 50235), (340, 49644), (357, 47280), (360, 46886), (394, 42840), (408, 41370), (420, 40188), (476, 35460), (504, 33490), (510, 33096), (560, 30141), (591, 28560), (595, 28368), (612, 27580), (630, 26792), (680, 24822), (714, 23640), (720, 23443), (765, 22064), (788, 21420), (816, 20685), (840, 20094), (952, 17730), (985, 17136), (1008, 16745), (1020, 16548), (1071, 15760), (1182, 14280), (1190, 14184), (1224, 13790), (1260, 13396), (1360, 12411), (1379, 12240), (1428, 11820), (1530, 11032), (1576, 10710), (1680, 10047), (1773, 9520), (1785, 9456), (1904, 8865), (1970, 8568), (2040, 8274), (2142, 7880), (2364, 7140), (2380, 7092), (2448, 6895), (2520, 6698), (2758, 6120), (2856, 5910), (2955, 5712), (3060, 5516), (3152, 5355), (3349, 5040), (3546, 4760), (3570, 4728), (3940, 4284), (4080, 4137)]