16686180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 66044160

約数和(自身を除く): 49357980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 41, 42, 45, 51, 57, 60, 63, 68, 70, 76, 82, 84, 85, 90, 95, 102, 105, 114, 119, 123, 126, 133, 140, 153, 164, 170, 171, 180, 190, 204, 205, 210, 228, 238, 246, 252, 255, 266, 285, 287, 306, 315, 323, 340, 342, 357, 369, 380, 399, 410, 420, 476, 492, 510, 532, 570, 574, 595, 612, 615, 630, 646, 665, 684, 697, 714, 738, 765, 779, 798, 820, 855, 861, 969, 1020, 1071, 1140, 1148, 1190, 1197, 1230, 1260, 1292, 1330, 1394, 1428, 1435, 1476, 1530, 1558, 1596, 1615, 1710, 1722, 1785, 1845, 1938, 1995, 2091, 2142, 2261, 2337, 2380, 2394, 2460, 2583, 2660, 2788, 2870, 2907, 3060, 3116, 3230, 3420, 3444, 3485, 3570, 3690, 3876, 3895, 3990, 4182, 4284, 4305, 4522, 4674, 4788, 4845, 4879, 5166, 5355, 5453, 5740, 5814, 5985, 6273, 6460, 6783, 6970, 7011, 7140, 7380, 7790, 7980, 8364, 8610, 9044, 9348, 9690, 9758, 10332, 10455, 10710, 10906, 11305, 11628, 11685, 11970, 12546, 12915, 13243, 13566, 13940, 14022, 14535, 14637, 15580, 16359, 17220, 19380, 19516, 20349, 20910, 21420, 21812, 22610, 23370, 23940, 24395, 25092, 25830, 26486, 27132, 27265, 28044, 29070, 29274, 31365, 32718, 33915, 35055, 39729, 40698, 41820, 43911, 45220, 46740, 48790, 49077, 51660, 52972, 54530, 58140, 58548, 62730, 65436, 66215, 67830, 70110, 73185, 79458, 81396, 81795, 87822, 92701, 97580, 98154, 101745, 109060, 119187, 125460, 132430, 135660, 140220, 146370, 158916, 163590, 175644, 185402, 196308, 198645, 203490, 219555, 238374, 245385, 264860, 278103, 292740, 327180, 370804, 397290, 406980, 439110, 463505, 476748, 490770, 556206, 595935, 794580, 834309, 878220, 927010, 981540, 1112412, 1191870, 1390515, 1668618, 1854020, 2383740, 2781030, 3337236, 4171545, 5562060, 8343090, 16686180]

約数ペア:

[(1, 16686180), (2, 8343090), (3, 5562060), (4, 4171545), (5, 3337236), (6, 2781030), (7, 2383740), (9, 1854020), (10, 1668618), (12, 1390515), (14, 1191870), (15, 1112412), (17, 981540), (18, 927010), (19, 878220), (20, 834309), (21, 794580), (28, 595935), (30, 556206), (34, 490770), (35, 476748), (36, 463505), (38, 439110), (41, 406980), (42, 397290), (45, 370804), (51, 327180), (57, 292740), (60, 278103), (63, 264860), (68, 245385), (70, 238374), (76, 219555), (82, 203490), (84, 198645), (85, 196308), (90, 185402), (95, 175644), (102, 163590), (105, 158916), (114, 146370), (119, 140220), (123, 135660), (126, 132430), (133, 125460), (140, 119187), (153, 109060), (164, 101745), (170, 98154), (171, 97580), (180, 92701), (190, 87822), (204, 81795), (205, 81396), (210, 79458), (228, 73185), (238, 70110), (246, 67830), (252, 66215), (255, 65436), (266, 62730), (285, 58548), (287, 58140), (306, 54530), (315, 52972), (323, 51660), (340, 49077), (342, 48790), (357, 46740), (369, 45220), (380, 43911), (399, 41820), (410, 40698), (420, 39729), (476, 35055), (492, 33915), (510, 32718), (532, 31365), (570, 29274), (574, 29070), (595, 28044), (612, 27265), (615, 27132), (630, 26486), (646, 25830), (665, 25092), (684, 24395), (697, 23940), (714, 23370), (738, 22610), (765, 21812), (779, 21420), (798, 20910), (820, 20349), (855, 19516), (861, 19380), (969, 17220), (1020, 16359), (1071, 15580), (1140, 14637), (1148, 14535), (1190, 14022), (1197, 13940), (1230, 13566), (1260, 13243), (1292, 12915), (1330, 12546), (1394, 11970), (1428, 11685), (1435, 11628), (1476, 11305), (1530, 10906), (1558, 10710), (1596, 10455), (1615, 10332), (1710, 9758), (1722, 9690), (1785, 9348), (1845, 9044), (1938, 8610), (1995, 8364), (2091, 7980), (2142, 7790), (2261, 7380), (2337, 7140), (2380, 7011), (2394, 6970), (2460, 6783), (2583, 6460), (2660, 6273), (2788, 5985), (2870, 5814), (2907, 5740), (3060, 5453), (3116, 5355), (3230, 5166), (3420, 4879), (3444, 4845), (3485, 4788), (3570, 4674), (3690, 4522), (3876, 4305), (3895, 4284), (3990, 4182)]