21573847920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{17989}}^1$

素因数の和:18287

約数の個数: 160

約数和(自身を含む): 70670476800

約数和(自身を除く): 49096628880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 263, 285, 304, 380, 456, 526, 570, 760, 789, 912, 1052, 1140, 1315, 1520, 1578, 2104, 2280, 2630, 3156, 3945, 4208, 4560, 4997, 5260, 6312, 7890, 9994, 10520, 12624, 14991, 15780, 17989, 19988, 21040, 24985, 29982, 31560, 35978, 39976, 49970, 53967, 59964, 63120, 71956, 74955, 79952, 89945, 99940, 107934, 119928, 143912, 149910, 179890, 199880, 215868, 239856, 269835, 287824, 299820, 341791, 359780, 399760, 431736, 539670, 599640, 683582, 719560, 863472, 1025373, 1079340, 1199280, 1367164, 1439120, 1708955, 2050746, 2158680, 2734328, 3417910, 4101492, 4317360, 4731107, 5126865, 5468656, 6835820, 8202984, 9462214, 10253730, 13671640, 14193321, 16405968, 18924428, 20507460, 23655535, 27343280, 28386642, 37848856, 41014920, 47311070, 56773284, 70966605, 75697712, 82029840, 89891033, 94622140, 113546568, 141933210, 179782066, 189244280, 227093136, 269673099, 283866420, 359564132, 378488560, 449455165, 539346198, 567732840, 719128264, 898910330, 1078692396, 1135465680, 1348365495, 1438256528, 1797820660, 2157384792, 2696730990, 3595641320, 4314769584, 5393461980, 7191282640, 10786923960, 21573847920]

約数ペア:

[(1, 21573847920), (2, 10786923960), (3, 7191282640), (4, 5393461980), (5, 4314769584), (6, 3595641320), (8, 2696730990), (10, 2157384792), (12, 1797820660), (15, 1438256528), (16, 1348365495), (19, 1135465680), (20, 1078692396), (24, 898910330), (30, 719128264), (38, 567732840), (40, 539346198), (48, 449455165), (57, 378488560), (60, 359564132), (76, 283866420), (80, 269673099), (95, 227093136), (114, 189244280), (120, 179782066), (152, 141933210), (190, 113546568), (228, 94622140), (240, 89891033), (263, 82029840), (285, 75697712), (304, 70966605), (380, 56773284), (456, 47311070), (526, 41014920), (570, 37848856), (760, 28386642), (789, 27343280), (912, 23655535), (1052, 20507460), (1140, 18924428), (1315, 16405968), (1520, 14193321), (1578, 13671640), (2104, 10253730), (2280, 9462214), (2630, 8202984), (3156, 6835820), (3945, 5468656), (4208, 5126865), (4560, 4731107), (4997, 4317360), (5260, 4101492), (6312, 3417910), (7890, 2734328), (9994, 2158680), (10520, 2050746), (12624, 1708955), (14991, 1439120), (15780, 1367164), (17989, 1199280), (19988, 1079340), (21040, 1025373), (24985, 863472), (29982, 719560), (31560, 683582), (35978, 599640), (39976, 539670), (49970, 431736), (53967, 399760), (59964, 359780), (63120, 341791), (71956, 299820), (74955, 287824), (79952, 269835), (89945, 239856), (99940, 215868), (107934, 199880), (119928, 179890), (143912, 149910)]