21164131980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1667}}^1$

素因数の和:2166

約数の個数: 240

約数和(自身を含む): 70492869216

約数和(自身を除く): 49328737236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 461, 510, 540, 612, 765, 810, 918, 922, 1020, 1377, 1383, 1530, 1620, 1667, 1836, 1844, 2295, 2305, 2754, 2766, 3060, 3334, 4149, 4590, 4610, 5001, 5508, 5532, 6668, 6885, 6915, 7837, 8298, 8335, 9180, 9220, 10002, 12447, 13770, 13830, 15003, 15674, 16596, 16670, 20004, 20745, 23511, 24894, 25005, 27540, 27660, 28339, 30006, 31348, 33340, 37341, 39185, 41490, 45009, 47022, 49788, 50010, 56678, 60012, 62235, 70533, 74682, 75015, 78370, 82980, 85017, 90018, 94044, 100020, 113356, 117555, 124470, 135027, 141066, 141695, 149364, 150030, 156740, 170034, 180036, 186705, 211599, 225045, 235110, 248940, 255051, 270054, 282132, 283390, 300060, 340068, 352665, 373410, 423198, 425085, 450090, 470220, 510102, 540108, 566780, 634797, 675135, 705330, 746820, 765153, 768487, 846396, 850170, 900180, 1020204, 1057995, 1269594, 1275255, 1350270, 1410660, 1530306, 1536974, 1700340, 2115990, 2295459, 2305461, 2539188, 2550510, 2700540, 3060612, 3073948, 3173985, 3825765, 3842435, 4231980, 4590918, 4610922, 5101020, 6347970, 6916383, 7651530, 7684870, 9181836, 9221844, 11477295, 11527305, 12695940, 13064279, 13832766, 15303060, 15369740, 20749149, 22954590, 23054610, 26128558, 27665532, 34581915, 39192837, 41498298, 45909180, 46109220, 52257116, 62247447, 65321395, 69163830, 78385674, 82996596, 103745745, 117578511, 124494894, 130642790, 138327660, 156771348, 195964185, 207491490, 235157022, 248989788, 261285580, 311237235, 352735533, 391928370, 414982980, 470314044, 587892555, 622474470, 705471066, 783856740, 1058206599, 1175785110, 1244948940, 1410942132, 1763677665, 2116413198, 2351570220, 3527355330, 4232826396, 5291032995, 7054710660, 10582065990, 21164131980]

約数ペア:

[(1, 21164131980), (2, 10582065990), (3, 7054710660), (4, 5291032995), (5, 4232826396), (6, 3527355330), (9, 2351570220), (10, 2116413198), (12, 1763677665), (15, 1410942132), (17, 1244948940), (18, 1175785110), (20, 1058206599), (27, 783856740), (30, 705471066), (34, 622474470), (36, 587892555), (45, 470314044), (51, 414982980), (54, 391928370), (60, 352735533), (68, 311237235), (81, 261285580), (85, 248989788), (90, 235157022), (102, 207491490), (108, 195964185), (135, 156771348), (153, 138327660), (162, 130642790), (170, 124494894), (180, 117578511), (204, 103745745), (255, 82996596), (270, 78385674), (306, 69163830), (324, 65321395), (340, 62247447), (405, 52257116), (459, 46109220), (461, 45909180), (510, 41498298), (540, 39192837), (612, 34581915), (765, 27665532), (810, 26128558), (918, 23054610), (922, 22954590), (1020, 20749149), (1377, 15369740), (1383, 15303060), (1530, 13832766), (1620, 13064279), (1667, 12695940), (1836, 11527305), (1844, 11477295), (2295, 9221844), (2305, 9181836), (2754, 7684870), (2766, 7651530), (3060, 6916383), (3334, 6347970), (4149, 5101020), (4590, 4610922), (4610, 4590918), (5001, 4231980), (5508, 3842435), (5532, 3825765), (6668, 3173985), (6885, 3073948), (6915, 3060612), (7837, 2700540), (8298, 2550510), (8335, 2539188), (9180, 2305461), (9220, 2295459), (10002, 2115990), (12447, 1700340), (13770, 1536974), (13830, 1530306), (15003, 1410660), (15674, 1350270), (16596, 1275255), (16670, 1269594), (20004, 1057995), (20745, 1020204), (23511, 900180), (24894, 850170), (25005, 846396), (27540, 768487), (27660, 765153), (28339, 746820), (30006, 705330), (31348, 675135), (33340, 634797), (37341, 566780), (39185, 540108), (41490, 510102), (45009, 470220), (47022, 450090), (49788, 425085), (50010, 423198), (56678, 373410), (60012, 352665), (62235, 340068), (70533, 300060), (74682, 283390), (75015, 282132), (78370, 270054), (82980, 255051), (85017, 248940), (90018, 235110), (94044, 225045), (100020, 211599), (113356, 186705), (117555, 180036), (124470, 170034), (135027, 156740), (141066, 150030), (141695, 149364)]